20010011022 has 12 divisors (see below), whose sum is σ = 43355023920. Its totient is φ = 6670003668.

The previous prime is 20010010961. The next prime is 20010011059. The reversal of 20010011022 is 22011001002.

It is a super-2 number, since 2×20010011022² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 20010010995 and 20010011013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555833622 + ... + 555833657.

It is an arithmetic number, because the mean of its divisors is an integer number (3612918660).

Almost surely, 2^20010011022 is an apocalyptic number.

20010011022 is an abundant number, since it is smaller than the sum of its proper divisors (23345012898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010011022 is a wasteful number, since it uses less digits than its factorization.

20010011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111667287 (or 1111667284 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20010011022 its reverse (22011001002), we get a palindrome (42021012024).

The spelling of 20010011022 in words is "twenty billion, ten million, eleven thousand, twenty-two".