10103020120 has 32 divisors (see below), whose sum is σ = 22987216800. Its totient is φ = 3995799808.

The previous prime is 10103020097. The next prime is 10103020139. The reversal of 10103020120 is 2102030101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10103020097 and 10103020106.

It is a congruent number.

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, 1415404 + ... + 1422523.

It is an arithmetic number, because the mean of its divisors is an integer number (718350525).

Almost surely, 2^10103020120 is an apocalyptic number.

10103020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10103020120 is an abundant number, since it is smaller than the sum of its proper divisors (12884196680).

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

10103020120 is a wasteful number, since it uses less digits than its factorization.

10103020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838027 (or 2838023 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10103020120 its reverse (2102030101), we get a palindrome (12205050221).

The spelling of 10103020120 in words is "ten billion, one hundred three million, twenty thousand, one hundred twenty".