10321322020 has 12 divisors (see below), whose sum is σ = 21674776284. Its totient is φ = 4128528800.

The previous prime is 10321321993. The next prime is 10321322023. The reversal of 10321322020 is 2022312301.

It can be written as a sum of positive squares in 2 ways, for example, as 6798662116 + 3522659904 = 82454^2 + 59352^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10321321985 and 10321322003.

It is not an unprimeable number, because it can be changed into a prime (10321322023) 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, 258033031 + ... + 258033070.

It is an arithmetic number, because the mean of its divisors is an integer number (1806231357).

Almost surely, 2^10321322020 is an apocalyptic number.

10321322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321322020 is an abundant number, since it is smaller than the sum of its proper divisors (11353454264).

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

10321322020 is a wasteful number, since it uses less digits than its factorization.

10321322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516066110 (or 516066108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10321322020 its reverse (2022312301), we get a palindrome (12343634321).

The spelling of 10321322020 in words is "ten billion, three hundred twenty-one million, three hundred twenty-two thousand, twenty".