20022012022 has 4 divisors (see below), whose sum is σ = 30033018036. Its totient is φ = 10011006010.

The previous prime is 20022012019. The next prime is 20022012047. The reversal of 20022012022 is 22021022002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20022012022² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20022011993 and 20022012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005503004 + ... + 5005503007.

It is an arithmetic number, because the mean of its divisors is an integer number (7508254509).

Almost surely, 2^20022012022 is an apocalyptic number.

20022012022 is a deficient number, since it is larger than the sum of its proper divisors (10011006014).

20022012022 is a wasteful number, since it uses less digits than its factorization.

20022012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011006013.

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

Adding to 20022012022 its reverse (22021022002), we get a palindrome (42043034024).

The spelling of 20022012022 in words is "twenty billion, twenty-two million, twelve thousand, twenty-two".