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102020012210220 = 223513130794887449
BaseRepresentation
bin10111001100100101100010…
…100101100111100000101100
3111101020000111001122222202220
4113030211202211213200230
5101332443441111211340
61000551202510515340
730326463002500446
oct2714454245474054
9441200431588686
10102020012210220
112a563498266775
12b5381b3805b50
1344c05a476b810
141b29b1b445496
15bbdb9462aed0
hex5cc96296782c

102020012210220 has 48 divisors (see below), whose sum is σ = 307629575282400. Its totient is φ = 25112618390016.

The previous prime is 102020012210219. The next prime is 102020012210231. The reversal of 102020012210220 is 22012210020201.

102020012210220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102020012210220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65397442945 + ... + 65397444504.

It is an arithmetic number, because the mean of its divisors is an integer number (6408949485050).

Almost surely, 2102020012210220 is an apocalyptic number.

102020012210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020012210220 is an abundant number, since it is smaller than the sum of its proper divisors (205609563072180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102020012210220 is a wasteful number, since it uses less digits than its factorization.

102020012210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130794887474 (or 130794887472 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102020012210220 its reverse (22012210020201), we get a palindrome (124032222230421).

The spelling of 102020012210220 in words is "one hundred two trillion, twenty billion, twelve million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 130794887449 261589774898 392384662347 523179549796 653974437245 784769324694 1307948874490 1569538649388 1700333536837 1961923311735 2615897748980 3400667073674 3923846623470 5101000610511 6801334147348 7847693246940 8501667684185 10202001221022 17003335368370 20404002442044 25505003052555 34006670736740 51010006105110 102020012210220