20022102000 has 120 divisors (see below), whose sum is σ = 69930591120. Its totient is φ = 5339222400.

The previous prime is 20022101993. The next prime is 20022102011. The reversal of 20022102000 is 20122002.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538170 + ... + 574169.

It is an arithmetic number, because the mean of its divisors is an integer number (582754926).

Almost surely, 2^20022102000 is an apocalyptic number.

20022102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022102000 is an abundant number, since it is smaller than the sum of its proper divisors (49908489120).

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

20022102000 is a wasteful number, since it uses less digits than its factorization.

20022102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112368 (or 1112349 counting only the distinct ones).

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

Adding to 20022102000 its reverse (20122002), we get a palindrome (20042224002).

The spelling of 20022102000 in words is "twenty billion, twenty-two million, one hundred two thousand".