21677803202 has 8 divisors (see below), whose sum is σ = 35472768912. Its totient is φ = 9853546900.

The previous prime is 21677803193. The next prime is 21677803211. The reversal of 21677803202 is 20230877612.

It is an interprime number because it is at equal distance from previous prime (21677803193) and next prime (21677803211).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 492677324 + ... + 492677367.

It is an arithmetic number, because the mean of its divisors is an integer number (4434096114).

Almost surely, 2^21677803202 is an apocalyptic number.

21677803202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21677803202 is a deficient number, since it is larger than the sum of its proper divisors (13794965710).

21677803202 is a wasteful number, since it uses less digits than its factorization.

21677803202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985354704.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 21677803202 in words is "twenty-one billion, six hundred seventy-seven million, eight hundred three thousand, two hundred two".