20200002121002 has 64 divisors (see below), whose sum is σ = 44246351710080. Its totient is φ = 6097141881600.

The previous prime is 20200002120989. The next prime is 20200002121031. The reversal of 20200002121002 is 20012120000202.

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, 18282352 + ... + 19355732.

It is an arithmetic number, because the mean of its divisors is an integer number (691349245470).

Almost surely, 2^{20200002121002} is an apocalyptic number.

20200002121002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20200002121002 is an abundant number, since it is smaller than the sum of its proper divisors (24046349589078).

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

20200002121002 is a wasteful number, since it uses less digits than its factorization.

20200002121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074519.

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

Adding to 20200002121002 its reverse (20012120000202), we get a palindrome (40212122121204).

The spelling of 20200002121002 in words is "twenty trillion, two hundred billion, two million, one hundred twenty-one thousand, two".