20920962211 has 8 divisors (see below), whose sum is σ = 21433154400. Its totient is φ = 20408861760.

The previous prime is 20920962203. The next prime is 20920962221. The reversal of 20920962211 is 11226902902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20920962211 - 2³ = 20920962203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20920962221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768450 + ... + 795208.

It is an arithmetic number, because the mean of its divisors is an integer number (2679144300).

Almost surely, 2^20920962211 is an apocalyptic number.

20920962211 is a deficient number, since it is larger than the sum of its proper divisors (512192189).

20920962211 is a wasteful number, since it uses less digits than its factorization.

20920962211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45869.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 20920962211 in words is "twenty billion, nine hundred twenty million, nine hundred sixty-two thousand, two hundred eleven".