20279718096 has 240 divisors, whose sum is σ = 62715777600. Its totient is φ = 5620285440.

The previous prime is 20279718083. The next prime is 20279718097. The reversal of 20279718096 is 69081797202.

It is a super-2 number, since 2×20279718096² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20279718097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3197040 + ... + 3203376.

It is an arithmetic number, because the mean of its divisors is an integer number (261315740).

Almost surely, 2^20279718096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20279718096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31357888800).

20279718096 is an abundant number, since it is smaller than the sum of its proper divisors (42436059504).

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

20279718096 is a wasteful number, since it uses less digits than its factorization.

20279718096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418 (or 6401 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 20279718096 in words is "twenty billion, two hundred seventy-nine million, seven hundred eighteen thousand, ninety-six".