20013030120031 has 16 divisors (see below), whose sum is σ = 22054258205056. Its totient is φ = 18043503813216.

The previous prime is 20013030120019. The next prime is 20013030120067. The reversal of 20013030120031 is 13002103031002.

It is a cyclic number.

It is not a de Polignac number, because 20013030120031 - 2²⁷ = 20012895902303 is a prime.

It is a super-2 number, since 2×20013030120031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20013030119987 and 20013030120014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013030120091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23417656 + ... + 24257218.

It is an arithmetic number, because the mean of its divisors is an integer number (1378391137816).

Almost surely, 2^{20013030120031} is an apocalyptic number.

20013030120031 is a deficient number, since it is larger than the sum of its proper divisors (2041228085025).

20013030120031 is a wasteful number, since it uses less digits than its factorization.

20013030120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882262.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20013030120031 its reverse (13002103031002), we get a palindrome (33015133151033).

The spelling of 20013030120031 in words is "twenty trillion, thirteen billion, thirty million, one hundred twenty thousand, thirty-one".