20220120121202 has 4 divisors (see below), whose sum is σ = 30330180181806. Its totient is φ = 10110060060600.

The previous prime is 20220120121141. The next prime is 20220120121231. The reversal of 20220120121202 is 20212102102202.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 10997109483721 + 9223010637481 = 3316189^2 + 3036941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055030030299 + ... + 5055030030302.

Almost surely, 2^{20220120121202} is an apocalyptic number.

20220120121202 is a deficient number, since it is larger than the sum of its proper divisors (10110060060604).

20220120121202 is a wasteful number, since it uses less digits than its factorization.

20220120121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110060060603.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20220120121202 its reverse (20212102102202), we get a palindrome (40432222223404).

The spelling of 20220120121202 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, one hundred twenty-one thousand, two hundred two".