10390015020 has 192 divisors, whose sum is σ = 37521792000. Its totient is φ = 2084490240.

The previous prime is 10390015019. The next prime is 10390015033. The reversal of 10390015020 is 2051009301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95206 + ... + 172754.

It is an arithmetic number, because the mean of its divisors is an integer number (195426000).

Almost surely, 2^10390015020 is an apocalyptic number.

10390015020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10390015020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18760896000).

10390015020 is an abundant number, since it is smaller than the sum of its proper divisors (27131776980).

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

10390015020 is a wasteful number, since it uses less digits than its factorization.

10390015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77608 (or 77606 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The spelling of 10390015020 in words is "ten billion, three hundred ninety million, fifteen thousand, twenty".