20366443056 has 40 divisors (see below), whose sum is σ = 53247216960. Its totient is φ = 6707020096.

The previous prime is 20366443049. The next prime is 20366443067. The reversal of 20366443056 is 65034466302.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 2552046 + ... + 2560013.

It is an arithmetic number, because the mean of its divisors is an integer number (1331180424).

Almost surely, 2^20366443056 is an apocalyptic number.

It is an amenable number.

20366443056 is an abundant number, since it is smaller than the sum of its proper divisors (32880773904).

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

20366443056 is a wasteful number, since it uses less digits than its factorization.

20366443056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112153 (or 5112147 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 20366443056 in words is "twenty billion, three hundred sixty-six million, four hundred forty-three thousand, fifty-six".