20413140515031 has 32 divisors (see below), whose sum is σ = 29940464736000. Its totient is φ = 12268394265600.

The previous prime is 20413140515023. The next prime is 20413140515099. The reversal of 20413140515031 is 13051504131402.

It is not a de Polignac number, because 20413140515031 - 2³ = 20413140515023 is a prime.

It is a super-2 number, since 2×20413140515031² (a number of 27 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 20413140515031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413140515011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2732281 + ... + 6949218.

It is an arithmetic number, because the mean of its divisors is an integer number (935639523000).

Almost surely, 2^{20413140515031} is an apocalyptic number.

20413140515031 is a deficient number, since it is larger than the sum of its proper divisors (9527324220969).

20413140515031 is a wasteful number, since it uses less digits than its factorization.

20413140515031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682047.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 20413140515031 its reverse (13051504131402), we get a palindrome (33464644646433).

The spelling of 20413140515031 in words is "twenty trillion, four hundred thirteen billion, one hundred forty million, five hundred fifteen thousand, thirty-one".