21677700833000 has 32 divisors (see below), whose sum is σ = 50725819951560. Its totient is φ = 8671080332800.

The previous prime is 21677700832979. The next prime is 21677700833057. The reversal of 21677700833000 is 33800777612.

It can be written as a sum of positive squares in 4 ways, for example, as 4363996204324 + 17313704628676 = 2089018^2 + 4160974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10838849417 + ... + 10838851416.

Almost surely, 2^{21677700833000} is an apocalyptic number.

21677700833000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21677700833000 is an abundant number, since it is smaller than the sum of its proper divisors (29048119118560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21677700833000 is a wasteful number, since it uses less digits than its factorization.

21677700833000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21677700854 (or 21677700840 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 21677700833000 in words is "twenty-one trillion, six hundred seventy-seven billion, seven hundred million, eight hundred thirty-three thousand".