20022322020 has 72 divisors (see below), whose sum is σ = 58606072896. Its totient is φ = 5107134912.

The previous prime is 20022322003. The next prime is 20022322031. The reversal of 20022322020 is 2022322002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283672 + ... + 347151.

Almost surely, 2^20022322020 is an apocalyptic number.

20022322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022322020 is an abundant number, since it is smaller than the sum of its proper divisors (38583750876).

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

20022322020 is a wasteful number, since it uses less digits than its factorization.

20022322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630881 (or 630856 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20022322020 its reverse (2022322002), we get a palindrome (22044644022).

The spelling of 20022322020 in words is "twenty billion, twenty-two million, three hundred twenty-two thousand, twenty".