10020022000 has 80 divisors (see below), whose sum is σ = 25064020800. Its totient is φ = 3869779200.

The previous prime is 10020021983. The next prime is 10020022043. The reversal of 10020022000 is 22002001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28380 + ... + 144379.

It is an arithmetic number, because the mean of its divisors is an integer number (313300260).

Almost surely, 2^10020022000 is an apocalyptic number.

10020022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020022000 is an abundant number, since it is smaller than the sum of its proper divisors (15043998800).

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

10020022000 is a wasteful number, since it uses less digits than its factorization.

10020022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172811 (or 172795 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 10020022000 its reverse (22002001), we get a palindrome (10042024001).

The spelling of 10020022000 in words is "ten billion, twenty million, twenty-two thousand".