20375480804438 has 16 divisors (see below), whose sum is σ = 31140045881280. Its totient is φ = 9995467487616.

The previous prime is 20375480804417. The next prime is 20375480804501. The reversal of 20375480804438 is 83440808457302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27848531 + ... + 28570817.

It is an arithmetic number, because the mean of its divisors is an integer number (1946252867580).

Almost surely, 2^{20375480804438} is an apocalyptic number.

20375480804438 is a deficient number, since it is larger than the sum of its proper divisors (10764565076842).

20375480804438 is a wasteful number, since it uses less digits than its factorization.

20375480804438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988471.

The product of its (nonzero) digits is 20643840, while the sum is 56.

The spelling of 20375480804438 in words is "twenty trillion, three hundred seventy-five billion, four hundred eighty million, eight hundred four thousand, four hundred thirty-eight".