20860232346 has 128 divisors (see below), whose sum is σ = 47824896000. Its totient is φ = 6737919552.

The previous prime is 20860232339. The next prime is 20860232377. The reversal of 20860232346 is 64323206802.

20860232346 is a `hidden beast` number, since 2 + 0 + 8 + 602 + 3 + 2 + 3 + 46 = 666.

20860232346 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20860232346.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75307560 + ... + 75307836.

It is an arithmetic number, because the mean of its divisors is an integer number (373632000).

Almost surely, 2^20860232346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20860232346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23912448000).

20860232346 is an abundant number, since it is smaller than the sum of its proper divisors (26964663654).

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

20860232346 is a wasteful number, since it uses less digits than its factorization.

20860232346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 20860232346 in words is "twenty billion, eight hundred sixty million, two hundred thirty-two thousand, three hundred forty-six".