20873783468 has 12 divisors (see below), whose sum is σ = 36905710632. Its totient is φ = 10329294720.

The previous prime is 20873783459. The next prime is 20873783563. The reversal of 20873783468 is 86438737802.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26898818 + ... + 26899593.

It is an arithmetic number, because the mean of its divisors is an integer number (3075475886).

Almost surely, 2^20873783468 is an apocalyptic number.

It is an amenable number.

20873783468 is a deficient number, since it is larger than the sum of its proper divisors (16031927164).

20873783468 is a wasteful number, since it uses less digits than its factorization.

20873783468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53798512 (or 53798510 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 20873783468 in words is "twenty billion, eight hundred seventy-three million, seven hundred eighty-three thousand, four hundred sixty-eight".