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10102000220 = 2251338853847
BaseRepresentation
bin10010110100010000…
…00100101001011100
3222002000200210010022
421122020010221130
5131142103001340
64350224531312
7505223404454
oct113210045134
928060623108
1010102000220
114314352314
121b5b180b38
13c4cb81530
146bb914d64
153e1d0a3b5
hex25a204a5c

10102000220 has 24 divisors (see below), whose sum is σ = 22846062624. Its totient is φ = 3729969216.

The previous prime is 10102000213. The next prime is 10102000229. The reversal of 10102000220 is 2200020101.

It is a junction number, because it is equal to n+sod(n) for n = 10102000198 and 10102000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102000229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19426664 + ... + 19427183.

It is an arithmetic number, because the mean of its divisors is an integer number (951919276).

Almost surely, 210102000220 is an apocalyptic number.

10102000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102000220 is an abundant number, since it is smaller than the sum of its proper divisors (12744062404).

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

10102000220 is a wasteful number, since it uses less digits than its factorization.

10102000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38853869 (or 38853867 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10102000220 its reverse (2200020101), we get a palindrome (12302020321).

The spelling of 10102000220 in words is "ten billion, one hundred two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 38853847 77707694 155415388 194269235 388538470 505100011 777076940 1010200022 2020400044 2525500055 5051000110 10102000220