20005453422 has 24 divisors (see below), whose sum is σ = 43348631976. Its totient is φ = 6667948656.

The previous prime is 20005453399. The next prime is 20005453441. The reversal of 20005453422 is 22435450002.

It is a happy number.

20005453422 is a `hidden beast` number, since 200 + 0 + 5 + 453 + 4 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231868 + ... + 306224.

It is an arithmetic number, because the mean of its divisors is an integer number (1806192999).

Almost surely, 2^20005453422 is an apocalyptic number.

20005453422 is an abundant number, since it is smaller than the sum of its proper divisors (23343178554).

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

20005453422 is a wasteful number, since it uses less digits than its factorization.

20005453422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89312 (or 89309 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 20005453422 in words is "twenty billion, five million, four hundred fifty-three thousand, four hundred twenty-two".