20132220020 has 48 divisors (see below), whose sum is σ = 46596610368. Its totient is φ = 7245327360.

The previous prime is 20132220019. The next prime is 20132220049. The reversal of 20132220020 is 2002223102.

It is a junction number, because it is equal to n+sod(n) for n = 20132219977 and 20132220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450362 + ... + 493041.

It is an arithmetic number, because the mean of its divisors is an integer number (970762716).

Almost surely, 2^20132220020 is an apocalyptic number.

20132220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132220020 is an abundant number, since it is smaller than the sum of its proper divisors (26464390348).

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

20132220020 is a wasteful number, since it uses less digits than its factorization.

20132220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943520 (or 943518 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20132220020 its reverse (2002223102), we get a palindrome (22134443122).

The spelling of 20132220020 in words is "twenty billion, one hundred thirty-two million, two hundred twenty thousand, twenty".