20534462375 has 32 divisors (see below), whose sum is σ = 29372848128. Its totient is φ = 14039988000.

The previous prime is 20534462359. The next prime is 20534462381. The reversal of 20534462375 is 57326443502.

It is a happy number.

It is not a de Polignac number, because 20534462375 - 2⁴ = 20534462359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269810 + ... + 337440.

It is an arithmetic number, because the mean of its divisors is an integer number (917901504).

Almost surely, 2^20534462375 is an apocalyptic number.

20534462375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20534462375 is a deficient number, since it is larger than the sum of its proper divisors (8838385753).

20534462375 is an equidigital number, since it uses as much as digits as its factorization.

20534462375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68000 (or 67990 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 20534462375 in words is "twenty billion, five hundred thirty-four million, four hundred sixty-two thousand, three hundred seventy-five".