20136632323 has 8 divisors (see below), whose sum is σ = 20187946800. Its totient is φ = 20085381120.

The previous prime is 20136632279. The next prime is 20136632333. The reversal of 20136632323 is 32323663102.

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 20136632323 - 2¹⁷ = 20136501251 is a prime.

It is a super-2 number, since 2×20136632323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20136632333) 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, 657436 + ... + 687382.

It is an arithmetic number, because the mean of its divisors is an integer number (2523493350).

Almost surely, 2^20136632323 is an apocalyptic number.

20136632323 is a deficient number, since it is larger than the sum of its proper divisors (51314477).

20136632323 is a wasteful number, since it uses less digits than its factorization.

20136632323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31637.

The product of its (nonzero) digits is 23328, while the sum is 31.

The spelling of 20136632323 in words is "twenty billion, one hundred thirty-six million, six hundred thirty-two thousand, three hundred twenty-three".