20202222001 has 8 divisors (see below), whose sum is σ = 21760066944. Its totient is φ = 18644923920.

The previous prime is 20202221989. The next prime is 20202222023. The reversal of 20202222001 is 10022220202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20202222001 - 2²¹ = 20200124849 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202222401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58315 + ... + 209296.

It is an arithmetic number, because the mean of its divisors is an integer number (2720008368).

Almost surely, 2^20202222001 is an apocalyptic number.

It is an amenable number.

20202222001 is a deficient number, since it is larger than the sum of its proper divisors (1557844943).

20202222001 is a wasteful number, since it uses less digits than its factorization.

20202222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273431.

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

Adding to 20202222001 its reverse (10022220202), we get a palindrome (30224442203).

The spelling of 20202222001 in words is "twenty billion, two hundred two million, two hundred twenty-two thousand, one".