20220021122 has 32 divisors (see below), whose sum is σ = 36863460480. Its totient is φ = 8124986880.

The previous prime is 20220021113. The next prime is 20220021139. The reversal of 20220021122 is 22112002202.

It is a super-2 number, since 2×20220021122² (a number of 21 digits) contains 22 as substring.

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 = 20220021097 and 20220021106.

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, 366029 + ... + 417632.

It is an arithmetic number, because the mean of its divisors is an integer number (1151983140).

Almost surely, 2^20220021122 is an apocalyptic number.

20220021122 is a deficient number, since it is larger than the sum of its proper divisors (16643439358).

20220021122 is a wasteful number, since it uses less digits than its factorization.

20220021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783786.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20220021122 its reverse (22112002202), we get a palindrome (42332023324).

It can be divided in two parts, 202200 and 21122, that added together give a palindrome (223322).

The spelling of 20220021122 in words is "twenty billion, two hundred twenty million, twenty-one thousand, one hundred twenty-two".