20650180704 has 384 divisors, whose sum is σ = 63707212800. Its totient is φ = 5812715520.

The previous prime is 20650180697. The next prime is 20650180769. The reversal of 20650180704 is 40708105602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47038917 + ... + 47039355.

It is an arithmetic number, because the mean of its divisors is an integer number (165904200).

Almost surely, 2^20650180704 is an apocalyptic number.

20650180704 is a gapful number since it is divisible by the number (24) 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 20650180704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31853606400).

20650180704 is an abundant number, since it is smaller than the sum of its proper divisors (43057032096).

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

20650180704 is a wasteful number, since it uses less digits than its factorization.

20650180704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 20650180704 in words is "twenty billion, six hundred fifty million, one hundred eighty thousand, seven hundred four".