20364615422011 has 16 divisors (see below), whose sum is σ = 23343800578560. Its totient is φ = 17402931290880.

The previous prime is 20364615422003. The next prime is 20364615422017. The reversal of 20364615422011 is 11022451646302.

It is a cyclic number.

It is not a de Polignac number, because 20364615422011 - 2³ = 20364615422003 is a prime.

It is a super-2 number, since 2×20364615422011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20364615422017) 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, 19309410 + ... + 20336728.

It is an arithmetic number, because the mean of its divisors is an integer number (1458987536160).

Almost surely, 2^{20364615422011} is an apocalyptic number.

20364615422011 is a deficient number, since it is larger than the sum of its proper divisors (2979185156549).

20364615422011 is a wasteful number, since it uses less digits than its factorization.

20364615422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035834.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 20364615422011 in words is "twenty trillion, three hundred sixty-four billion, six hundred fifteen million, four hundred twenty-two thousand, eleven".