20000122021002 has 16 divisors (see below), whose sum is σ = 40000287888000. Its totient is φ = 6666700032672.

The previous prime is 20000122020979. The next prime is 20000122021013. The reversal of 20000122021002 is 20012022100002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9623374 + ... + 11515622.

It is an arithmetic number, because the mean of its divisors is an integer number (2500017993000).

Almost surely, 2^{20000122021002} is an apocalyptic number.

20000122021002 is an abundant number, since it is smaller than the sum of its proper divisors (20000165866998).

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

20000122021002 is a wasteful number, since it uses less digits than its factorization.

20000122021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653837.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000122021002 its reverse (20012022100002), we get a palindrome (40012144121004).

The spelling of 20000122021002 in words is "twenty trillion, one hundred twenty-two million, twenty-one thousand, two".