10102020120 has 96 divisors (see below), whose sum is σ = 33388102800. Its totient is φ = 2648207616.

The previous prime is 10102020119. The next prime is 10102020151. The reversal of 10102020120 is 2102020101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216567 + ... + 259046.

Almost surely, 2^10102020120 is an apocalyptic number.

10102020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102020120 is an abundant number, since it is smaller than the sum of its proper divisors (23286082680).

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

10102020120 is a wasteful number, since it uses less digits than its factorization.

10102020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475689 (or 475682 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10102020120 its reverse (2102020101), we get a palindrome (12204040221).

The spelling of 10102020120 in words is "ten billion, one hundred two million, twenty thousand, one hundred twenty".