20413514256631 has 8 divisors (see below), whose sum is σ = 20543462773200. Its totient is φ = 20283966198720.

The previous prime is 20413514256613. The next prime is 20413514256661. The reversal of 20413514256631 is 13665241531402.

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 20413514256631 - 2¹¹ = 20413514254583 is a prime.

It is a super-2 number, since 2×20413514256631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413514256661) 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, 100012390 + ... + 100216291.

It is an arithmetic number, because the mean of its divisors is an integer number (2567932846650).

Almost surely, 2^{20413514256631} is an apocalyptic number.

20413514256631 is a deficient number, since it is larger than the sum of its proper divisors (129948516569).

20413514256631 is a wasteful number, since it uses less digits than its factorization.

20413514256631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200229329.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 20413514256631 in words is "twenty trillion, four hundred thirteen billion, five hundred fourteen million, two hundred fifty-six thousand, six hundred thirty-one".