1020120202002 has 32 divisors (see below), whose sum is σ = 2356641324864. Its totient is φ = 290943372800.

The previous prime is 1020120201973. The next prime is 1020120202043. The reversal of 1020120202002 is 2002020210201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454597899 + ... + 454600142.

It is an arithmetic number, because the mean of its divisors is an integer number (73645041402).

Almost surely, 2^{1020120202002} is an apocalyptic number.

1020120202002 is an abundant number, since it is smaller than the sum of its proper divisors (1336521122862).

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

1020120202002 is a wasteful number, since it uses less digits than its factorization.

1020120202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909198074.

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

Adding to 1020120202002 its reverse (2002020210201), we get a palindrome (3022140412203).

The spelling of 1020120202002 in words is "one trillion, twenty billion, one hundred twenty million, two hundred two thousand, two".