10190920 has 16 divisors (see below), whose sum is σ = 22929660. Its totient is φ = 4076352.

The previous prime is 10190903. The next prime is 10190927. The reversal of 10190920 is 2909101.

It can be written as a sum of positive squares in 2 ways, for example, as 9622404 + 568516 = 3102^2 + 754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10190891 and 10190900.

It is not an unprimeable number, because it can be changed into a prime (10190927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127347 + ... + 127426.

Almost surely, 2^10190920 is an apocalyptic number.

10190920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10190920 is an abundant number, since it is smaller than the sum of its proper divisors (12738740).

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

10190920 is a wasteful number, since it uses less digits than its factorization.

10190920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254784 (or 254780 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 10190920 is about 3192.3220388927. The cubic root of 10190920 is about 216.8059170600.

The spelling of 10190920 in words is "ten million, one hundred ninety thousand, nine hundred twenty".