20011012022 has 8 divisors (see below), whose sum is σ = 30017172576. Its totient is φ = 10005287832.

The previous prime is 20011012019. The next prime is 20011012033. The reversal of 20011012022 is 22021011002.

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 = 20011011994 and 20011012012.

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, 54803 + ... + 207425.

It is an arithmetic number, because the mean of its divisors is an integer number (3752146572).

Almost surely, 2^20011012022 is an apocalyptic number.

20011012022 is a deficient number, since it is larger than the sum of its proper divisors (10006160554).

20011012022 is a wasteful number, since it uses less digits than its factorization.

20011012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218182.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20011012022 its reverse (22021011002), we get a palindrome (42032023024).

The spelling of 20011012022 in words is "twenty billion, eleven million, twelve thousand, twenty-two".