20187001702002 has 32 divisors (see below), whose sum is σ = 42132939460992. Its totient is φ = 6435893788544.

The previous prime is 20187001701961. The next prime is 20187001702003. The reversal of 20187001702002 is 20020710078102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20187001702003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506093 + ... + 7789664.

It is an arithmetic number, because the mean of its divisors is an integer number (1316654358156).

Almost surely, 2^{20187001702002} is an apocalyptic number.

20187001702002 is an abundant number, since it is smaller than the sum of its proper divisors (21945937758990).

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

20187001702002 is a wasteful number, since it uses less digits than its factorization.

20187001702002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12307682.

The product of its (nonzero) digits is 3136, while the sum is 30.

The spelling of 20187001702002 in words is "twenty trillion, one hundred eighty-seven billion, one million, seven hundred two thousand, two".