20010022000 has 40 divisors (see below), whose sum is σ = 48384238032. Its totient is φ = 8004008000.

The previous prime is 20010021961. The next prime is 20010022009. The reversal of 20010022000 is 22001002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010022009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000506 + ... + 5004505.

Almost surely, 2^20010022000 is an apocalyptic number.

20010022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010022000 is an abundant number, since it is smaller than the sum of its proper divisors (28374216032).

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

20010022000 is a wasteful number, since it uses less digits than its factorization.

20010022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005034 (or 10005018 counting only the distinct ones).

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

Adding to 20010022000 its reverse (22001002), we get a palindrome (20032023002).

It can be divided in two parts, 2001002 and 2000, that added together give a palindrome (2003002).

The spelling of 20010022000 in words is "twenty billion, ten million, twenty-two thousand".