20413120031 has 8 divisors (see below), whose sum is σ = 20466270000. Its totient is φ = 20360005120.

The previous prime is 20413120009. The next prime is 20413120069. The reversal of 20413120031 is 13002131402.

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

It is a cyclic number.

It is not a de Polignac number, because 20413120031 - 2¹⁸ = 20412857887 is a prime.

It is a super-2 number, since 2×20413120031² (a number of 21 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 = 20413119991 and 20413120009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413120001) 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, 1474361 + ... + 1488141.

It is an arithmetic number, because the mean of its divisors is an integer number (2558283750).

Almost surely, 2^20413120031 is an apocalyptic number.

20413120031 is a deficient number, since it is larger than the sum of its proper divisors (53149969).

20413120031 is a wasteful number, since it uses less digits than its factorization.

20413120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17529.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20413120031 its reverse (13002131402), we get a palindrome (33415251433).

The spelling of 20413120031 in words is "twenty billion, four hundred thirteen million, one hundred twenty thousand, thirty-one".