20882805541 has 16 divisors (see below), whose sum is σ = 23485359744. Its totient is φ = 18423877824.

The previous prime is 20882805523. The next prime is 20882805553. The reversal of 20882805541 is 14550828802.

It is a cyclic number.

It is not a de Polignac number, because 20882805541 - 2⁵ = 20882805509 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 (20882805641) 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, 364075 + ... + 417511.

It is an arithmetic number, because the mean of its divisors is an integer number (1467834984).

Almost surely, 2^20882805541 is an apocalyptic number.

It is an amenable number.

20882805541 is a deficient number, since it is larger than the sum of its proper divisors (2602554203).

20882805541 is a wasteful number, since it uses less digits than its factorization.

20882805541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54780.

The product of its (nonzero) digits is 204800, while the sum is 43.

The spelling of 20882805541 in words is "twenty billion, eight hundred eighty-two million, eight hundred five thousand, five hundred forty-one".