20345028496 has 75 divisors (see below), whose sum is σ = 42906596343. Its totient is φ = 9345510720.

The previous prime is 20345028493. The next prime is 20345028551. The reversal of 20345028496 is 69482054302.

The square root of 20345028496 is 142636.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 10087390096 + 10257638400 = 100436^2 + 101280^2 .

It is not an unprimeable number, because it can be changed into a prime (20345028493) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 96421831 + ... + 96422041.

Almost surely, 2^20345028496 is an apocalyptic number.

20345028496 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20345028496 is the 142636-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20345028496

20345028496 is an abundant number, since it is smaller than the sum of its proper divisors (22561567847).

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

20345028496 is an frugal number, since it uses more digits than its factorization.

20345028496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 20345028496 in words is "twenty billion, three hundred forty-five million, twenty-eight thousand, four hundred ninety-six".