20946044368 has 40 divisors (see below), whose sum is σ = 42374832480. Its totient is φ = 10017356160.

The previous prime is 20946044351. The next prime is 20946044377. The reversal of 20946044368 is 86344064902.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161298 + ... + 260593.

It is an arithmetic number, because the mean of its divisors is an integer number (1059370812).

Almost surely, 2^20946044368 is an apocalyptic number.

It is an amenable number.

20946044368 is an abundant number, since it is smaller than the sum of its proper divisors (21428788112).

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

20946044368 is a wasteful number, since it uses less digits than its factorization.

20946044368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422035 (or 422029 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

It can be divided in two parts, 209460 and 44368, that added together give a triangular number (253828 = T₇₁₂).

The spelling of 20946044368 in words is "twenty billion, nine hundred forty-six million, forty-four thousand, three hundred sixty-eight".