20012303031 has 8 divisors (see below), whose sum is σ = 30494937984. Its totient is φ = 11435601720.

The previous prime is 20012303027. The next prime is 20012303107. The reversal of 20012303031 is 13030321002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20012303031 - 2² = 20012303027 is a prime.

It is a super-2 number, since 2×20012303031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20012303031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012303011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 476483385 + ... + 476483426.

It is an arithmetic number, because the mean of its divisors is an integer number (3811867248).

Almost surely, 2^20012303031 is an apocalyptic number.

20012303031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20012303031 is a deficient number, since it is larger than the sum of its proper divisors (10482634953).

20012303031 is an equidigital number, since it uses as much as digits as its factorization.

20012303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952966821.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20012303031 its reverse (13030321002), we get a palindrome (33042624033).

It can be divided in two parts, 2001 and 2303031, that added together give a palindrome (2305032).

The spelling of 20012303031 in words is "twenty billion, twelve million, three hundred three thousand, thirty-one".