20342762496 has 616 divisors, whose sum is σ = 74101727520. Its totient is φ = 5446434816.

The previous prime is 20342762491. The next prime is 20342762527. The reversal of 20342762496 is 69426724302.

It is not an unprimeable number, because it can be changed into a prime (20342762491) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 88832910 + ... + 88833138.

Almost surely, 2^20342762496 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 20342762496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37050863760).

20342762496 is an abundant number, since it is smaller than the sum of its proper divisors (53758965024).

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

20342762496 is an equidigital number, since it uses as much as digits as its factorization.

20342762496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 20342762496 in words is "twenty billion, three hundred forty-two million, seven hundred sixty-two thousand, four hundred ninety-six".