20079081792 has 224 divisors, whose sum is σ = 73594813440. Its totient is φ = 5215311360.

The previous prime is 20079081791. The next prime is 20079081833. The reversal of 20079081792 is 29718097002.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20079081791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57603 + ... + 208509.

Almost surely, 2^20079081792 is an apocalyptic number.

20079081792 is a gapful number since it is divisible by the number (22) 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 20079081792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36797406720).

20079081792 is an abundant number, since it is smaller than the sum of its proper divisors (53515731648).

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

20079081792 is a wasteful number, since it uses less digits than its factorization.

20079081792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150946 (or 150930 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 20079081792 in words is "twenty billion, seventy-nine million, eighty-one thousand, seven hundred ninety-two".