20000102022 has 12 divisors (see below), whose sum is σ = 43333554420. Its totient is φ = 6666700668.

The previous prime is 20000101991. The next prime is 20000102027. The reversal of 20000102022 is 22020100002.

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 = 20000101995 and 20000102013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000102027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555558372 + ... + 555558407.

It is an arithmetic number, because the mean of its divisors is an integer number (3611129535).

Almost surely, 2^20000102022 is an apocalyptic number.

20000102022 is an abundant number, since it is smaller than the sum of its proper divisors (23333452398).

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

20000102022 is a wasteful number, since it uses less digits than its factorization.

20000102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111116787 (or 1111116784 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20000102022 its reverse (22020100002), we get a palindrome (42020202024).

The spelling of 20000102022 in words is "twenty billion, one hundred two thousand, twenty-two".