20654182752 has 48 divisors (see below), whose sum is σ = 61962550272. Its totient is φ = 5901194880.

The previous prime is 20654182739. The next prime is 20654182817. The reversal of 20654182752 is 25728145602.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 15367024 + ... + 15368367.

It is an arithmetic number, because the mean of its divisors is an integer number (1290886464).

Almost surely, 2^20654182752 is an apocalyptic number.

It is an amenable number.

20654182752 is an abundant number, since it is smaller than the sum of its proper divisors (41308367520).

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

20654182752 is a wasteful number, since it uses less digits than its factorization.

20654182752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30735411 (or 30735403 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 20654182752 in words is "twenty billion, six hundred fifty-four million, one hundred eighty-two thousand, seven hundred fifty-two".