20093220020 has 12 divisors (see below), whose sum is σ = 42195762084. Its totient is φ = 8037288000.

The previous prime is 20093220019. The next prime is 20093220031. The reversal of 20093220020 is 2002239002.

It can be written as a sum of positive squares in 2 ways, for example, as 5545483024 + 14547736996 = 74468^2 + 120614^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1004661001 = 20093220020 / (2 + 0 + 0 + 9 + 3 + 2 + 2 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 20093219974 and 20093220001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502330481 + ... + 502330520.

It is an arithmetic number, because the mean of its divisors is an integer number (3516313507).

Almost surely, 2^20093220020 is an apocalyptic number.

20093220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20093220020 is an abundant number, since it is smaller than the sum of its proper divisors (22102542064).

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

20093220020 is a wasteful number, since it uses less digits than its factorization.

20093220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004661010 (or 1004661008 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20093220020 its reverse (2002239002), we get a palindrome (22095459022).

The spelling of 20093220020 in words is "twenty billion, ninety-three million, two hundred twenty thousand, twenty".