20331203120 has 20 divisors (see below), whose sum is σ = 47270047440. Its totient is φ = 8132481216.

The previous prime is 20331203107. The next prime is 20331203231. The reversal of 20331203120 is 2130213302.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 127069940 + ... + 127070099.

It is an arithmetic number, because the mean of its divisors is an integer number (2363502372).

Almost surely, 2^20331203120 is an apocalyptic number.

20331203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331203120 is an abundant number, since it is smaller than the sum of its proper divisors (26938844320).

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

20331203120 is a wasteful number, since it uses less digits than its factorization.

20331203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254140052 (or 254140046 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20331203120 its reverse (2130213302), we get a palindrome (22461416422).

The spelling of 20331203120 in words is "twenty billion, three hundred thirty-one million, two hundred three thousand, one hundred twenty".