10102215020 has 48 divisors (see below), whose sum is σ = 22157972928. Its totient is φ = 3861538560.

The previous prime is 10102215017. The next prime is 10102215037. The reversal of 10102215020 is 2051220101.

It is a junction number, because it is equal to n+sod(n) for n = 10102214986 and 10102215004.

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, 503990 + ... + 523650.

It is an arithmetic number, because the mean of its divisors is an integer number (461624436).

Almost surely, 2^10102215020 is an apocalyptic number.

10102215020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102215020 is an abundant number, since it is smaller than the sum of its proper divisors (12055757908).

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

10102215020 is a wasteful number, since it uses less digits than its factorization.

10102215020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20810 (or 20808 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 10102215020 its reverse (2051220101), we get a palindrome (12153435121).

The spelling of 10102215020 in words is "ten billion, one hundred two million, two hundred fifteen thousand, twenty".