20200794720 has 96 divisors (see below), whose sum is σ = 63712383840. Its totient is φ = 5380116480.

The previous prime is 20200794703. The next prime is 20200794739. The reversal of 20200794720 is 2749700202.

It is a tau number, because it is divible by the number of its divisors (96).

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, 362310 + ... + 414330.

It is an arithmetic number, because the mean of its divisors is an integer number (663670665).

Almost surely, 2^20200794720 is an apocalyptic number.

20200794720 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 20200794720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31856191920).

20200794720 is an abundant number, since it is smaller than the sum of its proper divisors (43511589120).

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

20200794720 is a wasteful number, since it uses less digits than its factorization.

20200794720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52848 (or 52840 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 20200794720 in words is "twenty billion, two hundred million, seven hundred ninety-four thousand, seven hundred twenty".