20643175314162 has 96 divisors (see below), whose sum is σ = 47161333499904. Its totient is φ = 6516118224000.

The previous prime is 20643175314161. The next prime is 20643175314191. The reversal of 20643175314162 is 26141357134602.

20643175314162 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 3 + 17 + 531 + 41 + 62 = 666.

It is a super-2 number, since 2×20643175314162² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20643175314161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137270412 + ... + 137420712.

It is an arithmetic number, because the mean of its divisors is an integer number (491263890624).

Almost surely, 2^{20643175314162} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20643175314162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23580666749952).

20643175314162 is an abundant number, since it is smaller than the sum of its proper divisors (26518158185742).

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

20643175314162 is a wasteful number, since it uses less digits than its factorization.

20643175314162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155624 (or 155621 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 20643175314162 in words is "twenty trillion, six hundred forty-three billion, one hundred seventy-five million, three hundred fourteen thousand, one hundred sixty-two".