10402323020 has 24 divisors (see below), whose sum is σ = 21954660000. Its totient is φ = 4140018432.

The previous prime is 10402323011. The next prime is 10402323023. The reversal of 10402323020 is 2032320401.

It is a self number, because there is not a number n which added to its sum of digits gives 10402323020.

It is not an unprimeable number, because it can be changed into a prime (10402323023) 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, 1302845 + ... + 1310804.

It is an arithmetic number, because the mean of its divisors is an integer number (914777500).

Almost surely, 2^10402323020 is an apocalyptic number.

10402323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402323020 is an abundant number, since it is smaller than the sum of its proper divisors (11552336980).

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

10402323020 is a wasteful number, since it uses less digits than its factorization.

10402323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613857 (or 2613855 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 10402323020 its reverse (2032320401), we get a palindrome (12434643421).

The spelling of 10402323020 in words is "ten billion, four hundred two million, three hundred twenty-three thousand, twenty".