20368175454 has 48 divisors (see below), whose sum is σ = 48160934640. Its totient is φ = 6169870080.

The previous prime is 20368175437. The next prime is 20368175479. The reversal of 20368175454 is 45457186302.

20368175454 is a `hidden beast` number, since 20 + 3 + 6 + 8 + 175 + 454 = 666.

It is a super-2 number, since 2×20368175454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555852 + ... + 591360.

It is an arithmetic number, because the mean of its divisors is an integer number (1003352805).

Almost surely, 2^20368175454 is an apocalyptic number.

20368175454 is an abundant number, since it is smaller than the sum of its proper divisors (27792759186).

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

20368175454 is a wasteful number, since it uses less digits than its factorization.

20368175454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38425 (or 38422 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 20368175454 in words is "twenty billion, three hundred sixty-eight million, one hundred seventy-five thousand, four hundred fifty-four".