20046174312 has 64 divisors (see below), whose sum is σ = 51114888000. Its totient is φ = 6549064704.

The previous prime is 20046174307. The next prime is 20046174319. The reversal of 20046174312 is 21347164002.

It is a self number, because there is not a number n which added to its sum of digits gives 20046174312.

It is not an unprimeable number, because it can be changed into a prime (20046174319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1275639 + ... + 1291257.

It is an arithmetic number, because the mean of its divisors is an integer number (798670125).

Almost surely, 2^20046174312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20046174312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25557444000).

20046174312 is an abundant number, since it is smaller than the sum of its proper divisors (31068713688).

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

20046174312 is a wasteful number, since it uses less digits than its factorization.

20046174312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16690 (or 16686 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 20046174312 in words is "twenty billion, forty-six million, one hundred seventy-four thousand, three hundred twelve".