202120320022 has 4 divisors (see below), whose sum is σ = 303180480036. Its totient is φ = 101060160010.

The previous prime is 202120320019. The next prime is 202120320043. The reversal of 202120320022 is 220023021202.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 202120319978 and 202120320005.

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, 50530080004 + ... + 50530080007.

It is an arithmetic number, because the mean of its divisors is an integer number (75795120009).

Almost surely, 2^202120320022 is an apocalyptic number.

202120320022 is a deficient number, since it is larger than the sum of its proper divisors (101060160014).

202120320022 is a wasteful number, since it uses less digits than its factorization.

202120320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101060160013.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 202120320022 its reverse (220023021202), we get a palindrome (422143341224).

The spelling of 202120320022 in words is "two hundred two billion, one hundred twenty million, three hundred twenty thousand, twenty-two".