20211120079452 has 72 divisors (see below), whose sum is σ = 51235102158240. Its totient is φ = 6717809139840.

The previous prime is 20211120079441. The next prime is 20211120079453. The reversal of 20211120079452 is 25497002111202.

It is a happy number.

20211120079452 is a `hidden beast` number, since 2 + 0 + 2 + 11 + 120 + 0 + 79 + 452 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211120079453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78815202 + ... + 79071222.

Almost surely, 2^{20211120079452} is an apocalyptic number.

It is an amenable number.

20211120079452 is an abundant number, since it is smaller than the sum of its proper divisors (31023982078788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211120079452 is a wasteful number, since it uses less digits than its factorization.

20211120079452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262283 (or 262278 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 20211120079452 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, seventy-nine thousand, four hundred fifty-two".