20713770000 has 1200 divisors, whose sum is σ = 93667516800. Its totient is φ = 4233600000.

The previous prime is 20713769963. The next prime is 20713770043. The reversal of 20713770000 is 7731702.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a super-2 number, since 2×20713770000² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 339569970 + ... + 339570030.

It is an arithmetic number, because the mean of its divisors is an integer number (78056264).

Almost surely, 2^20713770000 is an apocalyptic number.

20713770000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20713770000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46833758400).

20713770000 is an abundant number, since it is smaller than the sum of its proper divisors (72953746800).

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

20713770000 is a wasteful number, since it uses less digits than its factorization.

20713770000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The spelling of 20713770000 in words is "twenty billion, seven hundred thirteen million, seven hundred seventy thousand".