20331746358 has 64 divisors (see below), whose sum is σ = 52445560320. Its totient is φ = 5098867200.

The previous prime is 20331746339. The next prime is 20331746359. The reversal of 20331746358 is 85364713302.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331746359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745363 + ... + 772158.

It is an arithmetic number, because the mean of its divisors is an integer number (819461880).

Almost surely, 2^20331746358 is an apocalyptic number.

20331746358 is an abundant number, since it is smaller than the sum of its proper divisors (32113813962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20331746358 is a wasteful number, since it uses less digits than its factorization.

20331746358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517573.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20331746358 in words is "twenty billion, three hundred thirty-one million, seven hundred forty-six thousand, three hundred fifty-eight".