20200000022 has 4 divisors (see below), whose sum is σ = 30300000036. Its totient is φ = 10100000010.

The previous prime is 20200000019. The next prime is 20200000091. The reversal of 20200000022 is 22000000202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22000000202 = 2 ⋅11000000101.

It is a junction number, because it is equal to n+sod(n) for n = 20199999955 and 20200000009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050000004 + ... + 5050000007.

It is an arithmetic number, because the mean of its divisors is an integer number (7575000009).

Almost surely, 2^20200000022 is an apocalyptic number.

20200000022 is a deficient number, since it is larger than the sum of its proper divisors (10100000014).

20200000022 is a wasteful number, since it uses less digits than its factorization.

20200000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100000013.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20200000022 its reverse (22000000202), we get a palindrome (42200000224).

The spelling of 20200000022 in words is "twenty billion, two hundred million, twenty-two", and thus it is an aban number.