20313220020 has 96 divisors (see below), whose sum is σ = 57309348096. Its totient is φ = 5375846400.

The previous prime is 20313220007. The next prime is 20313220043. The reversal of 20313220020 is 2002231302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4494802 + ... + 4499318.

It is an arithmetic number, because the mean of its divisors is an integer number (596972376).

Almost surely, 2^20313220020 is an apocalyptic number.

20313220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313220020 is an abundant number, since it is smaller than the sum of its proper divisors (36996128076).

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

20313220020 is a wasteful number, since it uses less digits than its factorization.

20313220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081 (or 5079 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20313220020 its reverse (2002231302), we get a palindrome (22315451322).

The spelling of 20313220020 in words is "twenty billion, three hundred thirteen million, two hundred twenty thousand, twenty".