20801370575258 has 48 divisors (see below), whose sum is σ = 39092626308960. Its totient is φ = 8228200677984.

The previous prime is 20801370575231. The next prime is 20801370575267. The reversal of 20801370575258 is 85257507310802.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10639985 + ... + 12442347.

It is an arithmetic number, because the mean of its divisors is an integer number (814429714770).

Almost surely, 2^{20801370575258} is an apocalyptic number.

20801370575258 is a deficient number, since it is larger than the sum of its proper divisors (18291255733702).

20801370575258 is a wasteful number, since it uses less digits than its factorization.

20801370575258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811451 (or 1811444 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 53.

The spelling of 20801370575258 in words is "twenty trillion, eight hundred one billion, three hundred seventy million, five hundred seventy-five thousand, two hundred fifty-eight".