20813332241 has 32 divisors (see below), whose sum is σ = 24279884160. Its totient is φ = 17674039296.

The previous prime is 20813332213. The next prime is 20813332249. The reversal of 20813332241 is 14223331802.

It is a cyclic number.

It is not a de Polignac number, because 20813332241 - 2³⁰ = 19739590417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20813332249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5271230 + ... + 5275176.

It is an arithmetic number, because the mean of its divisors is an integer number (758746380).

Almost surely, 2^20813332241 is an apocalyptic number.

It is an amenable number.

20813332241 is a deficient number, since it is larger than the sum of its proper divisors (3466551919).

20813332241 is a wasteful number, since it uses less digits than its factorization.

20813332241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20813332241 in words is "twenty billion, eight hundred thirteen million, three hundred thirty-two thousand, two hundred forty-one".