10402322020 has 12 divisors (see below), whose sum is σ = 21844876284. Its totient is φ = 4160928800.

The previous prime is 10402322003. The next prime is 10402322039. The reversal of 10402322020 is 2022320401.

It can be written as a sum of positive squares in 2 ways, for example, as 2268807424 + 8133514596 = 47632^2 + 90186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10402321985 and 10402322003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260058031 + ... + 260058070.

It is an arithmetic number, because the mean of its divisors is an integer number (1820406357).

Almost surely, 2^10402322020 is an apocalyptic number.

10402322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402322020 is an abundant number, since it is smaller than the sum of its proper divisors (11442554264).

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

10402322020 is a wasteful number, since it uses less digits than its factorization.

10402322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520116110 (or 520116108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 10402322020 its reverse (2022320401), we get a palindrome (12424642421).

The spelling of 10402322020 in words is "ten billion, four hundred two million, three hundred twenty-two thousand, twenty".