20616274700 has 108 divisors (see below), whose sum is σ = 52100305992. Its totient is φ = 7060435200.

The previous prime is 20616274669. The next prime is 20616274747. The reversal of 20616274700 is 747261602.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5736104 + ... + 5739696.

Almost surely, 2^20616274700 is an apocalyptic number.

20616274700 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 20616274700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26050152996).

20616274700 is an abundant number, since it is smaller than the sum of its proper divisors (31484031292).

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

20616274700 is a wasteful number, since it uses less digits than its factorization.

20616274700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792 (or 4778 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 20616274700 in words is "twenty billion, six hundred sixteen million, two hundred seventy-four thousand, seven hundred".