200120021002 has 64 divisors (see below), whose sum is σ = 342239095296. Its totient is φ = 86961600000.

The previous prime is 200120020987. The next prime is 200120021027.

200120021002 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 200120021002.

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, 14904252 + ... + 14917672.

It is an arithmetic number, because the mean of its divisors is an integer number (5347485864).

Almost surely, 2^200120021002 is an apocalyptic number.

200120021002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200120021002 is a deficient number, since it is larger than the sum of its proper divisors (142119074294).

200120021002 is a wasteful number, since it uses less digits than its factorization.

200120021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807.

The product of its (nonzero) digits is 16, while the sum is 10.

It can be divided in two parts, 2001200 and 21002, that added together give a palindrome (2022202).

The spelling of 200120021002 in words is "two hundred billion, one hundred twenty million, twenty-one thousand, two".