20202122001 has 16 divisors (see below), whose sum is σ = 28957132800. Its totient is φ = 12487760208.

The previous prime is 20202121997. The next prime is 20202122027. The reversal of 20202122001 is 10022120202.

It is not a de Polignac number, because 20202122001 - 2² = 20202121997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202142001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3767781 + ... + 3773138.

It is an arithmetic number, because the mean of its divisors is an integer number (1809820800).

Almost surely, 2^20202122001 is an apocalyptic number.

It is an amenable number.

20202122001 is a deficient number, since it is larger than the sum of its proper divisors (8755010799).

20202122001 is a wasteful number, since it uses less digits than its factorization.

20202122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540988.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202122001 its reverse (10022120202), we get a palindrome (30224242203).

The spelling of 20202122001 in words is "twenty billion, two hundred two million, one hundred twenty-two thousand, one".