10290684820 has 24 divisors (see below), whose sum is σ = 23272780104. Its totient is φ = 3799637376.

The previous prime is 10290684799. The next prime is 10290684823. The reversal of 10290684820 is 2848609201.

It can be written as a sum of positive squares in 4 ways, for example, as 1013912964 + 9276771856 = 31842^2 + 96316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10290684823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19789519 + ... + 19790038.

It is an arithmetic number, because the mean of its divisors is an integer number (969699171).

Almost surely, 2^10290684820 is an apocalyptic number.

10290684820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10290684820 is an abundant number, since it is smaller than the sum of its proper divisors (12982095284).

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

10290684820 is a wasteful number, since it uses less digits than its factorization.

10290684820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39579579 (or 39579577 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 10290684820 in words is "ten billion, two hundred ninety million, six hundred eighty-four thousand, eight hundred twenty".