20100022021002 has 64 divisors (see below), whose sum is σ = 50636231783424. Its totient is φ = 5166962403840.

The previous prime is 20100022020989. The next prime is 20100022021019. The reversal of 20100022021002 is 20012022000102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224215708 + ... + 224305335.

It is an arithmetic number, because the mean of its divisors is an integer number (791191121616).

Almost surely, 2^{20100022021002} is an apocalyptic number.

20100022021002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20100022021002 is an abundant number, since it is smaller than the sum of its proper divisors (30536209762422).

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

20100022021002 is a wasteful number, since it uses less digits than its factorization.

20100022021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448521163.

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

Adding to 20100022021002 its reverse (20012022000102), we get a palindrome (40112044021104).

The spelling of 20100022021002 in words is "twenty trillion, one hundred billion, twenty-two million, twenty-one thousand, two".