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102001022202220 = 2258361446398917
BaseRepresentation
bin10111001100010011110110…
…101100011111000101101100
3111101011012110121121122002021
4113030103312230133011230
5101332141043140432340
61000534342301035524
730325221263211601
oct2714236654370554
9441135417548067
10102001022202220
112a556432965689
12b534593b55ba4
1344bb8693bc0ab
141b28c3934c6a8
15bbd4323b6e4a
hex5cc4f6b1f16c

102001022202220 has 24 divisors (see below), whose sum is σ = 216782895382704. Its totient is φ = 40308837688896.

The previous prime is 102001022202199. The next prime is 102001022202407. The reversal of 102001022202220 is 22202220100201.

It is a junction number, because it is equal to n+sod(n) for n = 102001022202194 and 102001022202203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30723197799 + ... + 30723201118.

It is an arithmetic number, because the mean of its divisors is an integer number (9032620640946).

Almost surely, 2102001022202220 is an apocalyptic number.

102001022202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001022202220 is an abundant number, since it is smaller than the sum of its proper divisors (114781873180484).

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

102001022202220 is a wasteful number, since it uses less digits than its factorization.

102001022202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61446399009 (or 61446399007 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102001022202220 its reverse (22202220100201), we get a palindrome (124203242302421).

The spelling of 102001022202220 in words is "one hundred two trillion, one billion, twenty-two million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 61446398917 122892797834 245785595668 307231994585 614463989170 1228927978340 5100051110111 10200102220222 20400204440444 25500255550555 51000511101110 102001022202220