10320660020 has 24 divisors (see below), whose sum is σ = 23643694368. Its totient is φ = 3752967200.

The previous prime is 10320660013. The next prime is 10320660023. The reversal of 10320660020 is 2006602301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10320659974 and 10320660001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320660023) 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, 23455826 + ... + 23456265.

It is an arithmetic number, because the mean of its divisors is an integer number (985153932).

Almost surely, 2^10320660020 is an apocalyptic number.

10320660020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320660020 is an abundant number, since it is smaller than the sum of its proper divisors (13323034348).

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

10320660020 is a wasteful number, since it uses less digits than its factorization.

10320660020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46912111 (or 46912109 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The spelling of 10320660020 in words is "ten billion, three hundred twenty million, six hundred sixty thousand, twenty".