20607651004531 has 8 divisors (see below), whose sum is σ = 21170893111344. Its totient is φ = 20044739348640.

The previous prime is 20607651004517. The next prime is 20607651004571. The reversal of 20607651004531 is 13540015670602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20607651004531 is a prime.

It is a super-2 number, since 2×20607651004531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20607651004571) 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, 82486300 + ... + 82735753.

It is an arithmetic number, because the mean of its divisors is an integer number (2646361638918).

Almost surely, 2^{20607651004531} is an apocalyptic number.

20607651004531 is a deficient number, since it is larger than the sum of its proper divisors (563242106813).

20607651004531 is a wasteful number, since it uses less digits than its factorization.

20607651004531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165225461.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 20607651004531 in words is "twenty trillion, six hundred seven billion, six hundred fifty-one million, four thousand, five hundred thirty-one".