20632124020 has 24 divisors (see below), whose sum is σ = 43340225544. Its totient is φ = 8250418176.

The previous prime is 20632123961. The next prime is 20632124053. The reversal of 20632124020 is 2042123602.

It can be written as a sum of positive squares in 4 ways, for example, as 2168206096 + 18463917924 = 46564^2 + 135882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20632123982 and 20632124000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81589 + ... + 218908.

It is an arithmetic number, because the mean of its divisors is an integer number (1805842731).

Almost surely, 2^20632124020 is an apocalyptic number.

20632124020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20632124020 is an abundant number, since it is smaller than the sum of its proper divisors (22708101524).

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

20632124020 is a wasteful number, since it uses less digits than its factorization.

20632124020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303939 (or 303937 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20632124020 its reverse (2042123602), we get a palindrome (22674247622).

The spelling of 20632124020 in words is "twenty billion, six hundred thirty-two million, one hundred twenty-four thousand, twenty".