20422002020 has 48 divisors (see below), whose sum is σ = 49059792768. Its totient is φ = 6995116800.

The previous prime is 20422002019. The next prime is 20422002031. The reversal of 20422002020 is 2020022402.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20422001986 and 20422002004.

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, 77744 + ... + 216536.

It is an arithmetic number, because the mean of its divisors is an integer number (1022079016).

Almost surely, 2^20422002020 is an apocalyptic number.

20422002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20422002020 is an abundant number, since it is smaller than the sum of its proper divisors (28637790748).

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

20422002020 is a wasteful number, since it uses less digits than its factorization.

20422002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139860 (or 139858 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20422002020 its reverse (2020022402), we get a palindrome (22442024422).

The spelling of 20422002020 in words is "twenty billion, four hundred twenty-two million, two thousand, twenty".