20001000022 has 8 divisors (see below), whose sum is σ = 30026484072. Its totient is φ = 9992172000.

The previous prime is 20001000013. The next prime is 20001000049. The reversal of 20001000022 is 22000010002.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20000999969 and 20001000014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4161004 + ... + 4165807.

It is an arithmetic number, because the mean of its divisors is an integer number (3753310509).

Almost surely, 2^20001000022 is an apocalyptic number.

20001000022 is a deficient number, since it is larger than the sum of its proper divisors (10025484050).

20001000022 is a wasteful number, since it uses less digits than its factorization.

20001000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328014.

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

Adding to 20001000022 its reverse (22000010002), we get a palindrome (42001010024).

The spelling of 20001000022 in words is "twenty billion, one million, twenty-two", and thus it is an aban number and an uban number.