20132690831 has 8 divisors (see below), whose sum is σ = 21964556928. Its totient is φ = 18301095000.

The previous prime is 20132690821. The next prime is 20132690839. The reversal of 20132690831 is 13809623102.

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 20132690831 - 2¹⁴ = 20132674447 is a prime.

It is a super-2 number, since 2×20132690831² (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 = 20132690791 and 20132690800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132690839) 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, 108056 + ... + 227906.

It is an arithmetic number, because the mean of its divisors is an integer number (2745569616).

Almost surely, 2^20132690831 is an apocalyptic number.

20132690831 is a deficient number, since it is larger than the sum of its proper divisors (1831866097).

20132690831 is a wasteful number, since it uses less digits than its factorization.

20132690831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135133.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20132690831 in words is "twenty billion, one hundred thirty-two million, six hundred ninety thousand, eight hundred thirty-one".