2022020001 has 72 divisors (see below), whose sum is σ = 3237116064. Its totient is φ = 1214991360.

The previous prime is 2022019991. The next prime is 2022020027. The reversal of 2022020001 is 1000202202.

It is not a de Polignac number, because 2022020001 - 2⁵ = 2022019969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2022020201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7144806 + ... + 7145088.

Almost surely, 2^2022020001 is an apocalyptic number.

It is an amenable number.

2022020001 is a deficient number, since it is larger than the sum of its proper divisors (1215096063).

2022020001 is a wasteful number, since it uses less digits than its factorization.

2022020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2022020001 is about 44966.8767094180. The cubic root of 2022020001 is about 1264.5280936483.

Adding to 2022020001 its reverse (1000202202), we get a palindrome (3022222203).

The spelling of 2022020001 in words is "two billion, twenty-two million, twenty thousand, one".