202000000022 has 4 divisors (see below), whose sum is σ = 303000000036. Its totient is φ = 101000000010.

The previous prime is 202000000009. The next prime is 202000000039. The reversal of 202000000022 is 220000000202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220000000202 = 2 ⋅110000000101.

It is a junction number, because it is equal to n+sod(n) for n = 201999999946 and 202000000009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500000004 + ... + 50500000007.

It is an arithmetic number, because the mean of its divisors is an integer number (75750000009).

Almost surely, 2^202000000022 is an apocalyptic number.

202000000022 is a deficient number, since it is larger than the sum of its proper divisors (101000000014).

202000000022 is a wasteful number, since it uses less digits than its factorization.

202000000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000000013.

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

Adding to 202000000022 its reverse (220000000202), we get a palindrome (422000000224).

The spelling of 202000000022 in words is "two hundred two billion, twenty-two", and thus it is an aban number.