20000022001 has 8 divisors (see below), whose sum is σ = 20531395584. Its totient is φ = 19473058560.

The previous prime is 20000021989. The next prime is 20000022017. The reversal of 20000022001 is 10022000002.

It is a happy number.

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 20000022001 - 2¹⁷ = 19999890929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20000029001) 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, 1093345 + ... + 1111486.

It is an arithmetic number, because the mean of its divisors is an integer number (2566424448).

Almost surely, 2^20000022001 is an apocalyptic number.

It is an amenable number.

20000022001 is a deficient number, since it is larger than the sum of its proper divisors (531373583).

20000022001 is a wasteful number, since it uses less digits than its factorization.

20000022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205071.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20000022001 its reverse (10022000002), we get a palindrome (30022022003).

The spelling of 20000022001 in words is "twenty billion, twenty-two thousand, one".