20858372110 has 16 divisors (see below), whose sum is σ = 37607551632. Its totient is φ = 8329464000.

The previous prime is 20858372107. The next prime is 20858372141. The reversal of 20858372110 is 1127385802.

It is a self number, because there is not a number n which added to its sum of digits gives 20858372110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729296 + ... + 1741315.

It is an arithmetic number, because the mean of its divisors is an integer number (2350471977).

Almost surely, 2^20858372110 is an apocalyptic number.

20858372110 is a deficient number, since it is larger than the sum of its proper divisors (16749179522).

20858372110 is a wasteful number, since it uses less digits than its factorization.

20858372110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471219.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 20858372110 in words is "twenty billion, eight hundred fifty-eight million, three hundred seventy-two thousand, one hundred ten".