20600434615631 has 8 divisors (see below), whose sum is σ = 22434354033840. Its totient is φ = 18802125283392.

The previous prime is 20600434615609. The next prime is 20600434615643. The reversal of 20600434615631 is 13651643400602.

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 20600434615631 - 2⁶ = 20600434615567 is a prime.

It is a super-2 number, since 2×20600434615631² (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 (20600434615331) 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, 8902520285 + ... + 8902522598.

It is an arithmetic number, because the mean of its divisors is an integer number (2804294254230).

Almost surely, 2^{20600434615631} is an apocalyptic number.

20600434615631 is a deficient number, since it is larger than the sum of its proper divisors (1833919418209).

20600434615631 is a wasteful number, since it uses less digits than its factorization.

20600434615631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17805042985.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 20600434615631 in words is "twenty trillion, six hundred billion, four hundred thirty-four million, six hundred fifteen thousand, six hundred thirty-one".