20623271000 has 64 divisors (see below), whose sum is σ = 49285342080. Its totient is φ = 8073772800.

The previous prime is 20623270991. The next prime is 20623271021. The reversal of 20623271000 is 17232602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172397 + ... + 266396.

It is an arithmetic number, because the mean of its divisors is an integer number (770083470).

Almost surely, 2^20623271000 is an apocalyptic number.

20623271000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20623271000 is an abundant number, since it is smaller than the sum of its proper divisors (28662071080).

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

20623271000 is a wasteful number, since it uses less digits than its factorization.

20623271000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438861 (or 438847 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 20623271000 in words is "twenty billion, six hundred twenty-three million, two hundred seventy-one thousand".