20200122202 has 16 divisors (see below), whose sum is σ = 33756173640. Its totient is φ = 9001645632.

The previous prime is 20200122197. The next prime is 20200122247. The reversal of 20200122202 is 20222100202.

It can be written as a sum of positive squares in 4 ways, for example, as 10077951321 + 10122170881 = 100389^2 + 100609^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13394553 + ... + 13396060.

Almost surely, 2^20200122202 is an apocalyptic number.

20200122202 is a deficient number, since it is larger than the sum of its proper divisors (13556051438).

20200122202 is a wasteful number, since it uses less digits than its factorization.

20200122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26790657.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20200122202 its reverse (20222100202), we get a palindrome (40422222404).

The spelling of 20200122202 in words is "twenty billion, two hundred million, one hundred twenty-two thousand, two hundred two".