20102222210022 has 24 divisors (see below), whose sum is σ = 44168262886800. Its totient is φ = 6606364106160.

The previous prime is 20102222210017. The next prime is 20102222210023. The reversal of 20102222210022 is 22001222220102.

20102222210022 is a `hidden beast` number, since 201 + 0 + 222 + 221 + 0 + 0 + 22 = 666.

It is a super-2 number, since 2×20102222210022² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20102222209977 and 20102222210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102222210023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7864717897 + ... + 7864720452.

It is an arithmetic number, because the mean of its divisors is an integer number (1840344286950).

Almost surely, 2^{20102222210022} is an apocalyptic number.

20102222210022 is an abundant number, since it is smaller than the sum of its proper divisors (24066040676778).

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

20102222210022 is a wasteful number, since it uses less digits than its factorization.

20102222210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15729438428 (or 15729438425 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20102222210022 its reverse (22001222220102), we get a palindrome (42103444430124).

The spelling of 20102222210022 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, two hundred ten thousand, twenty-two".