20654056445 has 16 divisors (see below), whose sum is σ = 27040843008. Its totient is φ = 15019573440.

The previous prime is 20654056441. The next prime is 20654056459. The reversal of 20654056445 is 54465045602.

It is not a de Polignac number, because 20654056445 - 2² = 20654056441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20654056441) 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, 950492 + ... + 971978.

It is an arithmetic number, because the mean of its divisors is an integer number (1690052688).

Almost surely, 2^20654056445 is an apocalyptic number.

It is an amenable number.

20654056445 is a deficient number, since it is larger than the sum of its proper divisors (6386786563).

20654056445 is a wasteful number, since it uses less digits than its factorization.

20654056445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38980.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 20654056445 in words is "twenty billion, six hundred fifty-four million, fifty-six thousand, four hundred forty-five".