20059623424 has 39 divisors (see below), whose sum is σ = 40132484353. Its totient is φ = 10025279488.

The previous prime is 20059623421. The next prime is 20059623439. The reversal of 20059623424 is 42432695002.

The square root of 20059623424 is 141632.

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

It can be written as a sum of positive squares in only one way, i.e., 19914854400 + 144769024 = 141120^2 + 12032^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20059623421) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9063342 + ... + 9065554.

Almost surely, 2^20059623424 is an apocalyptic number.

20059623424 is the 141632-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20059623424

20059623424 is an abundant number, since it is smaller than the sum of its proper divisors (20072860929).

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

20059623424 is an frugal number, since it uses more digits than its factorization.

20059623424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 20059623424 in words is "twenty billion, fifty-nine million, six hundred twenty-three thousand, four hundred twenty-four".