20001234202002 has 32 divisors (see below), whose sum is σ = 44887258287360. Its totient is φ = 6601067391600.

The previous prime is 20001234201983. The next prime is 20001234202013. The reversal of 20001234202002 is 20020243210002.

20001234202002 is a `hidden beast` number, since 20 + 0 + 0 + 1 + 23 + 420 + 200 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1833624378 + ... + 1833635285.

It is an arithmetic number, because the mean of its divisors is an integer number (1402726821480).

Almost surely, 2^{20001234202002} is an apocalyptic number.

20001234202002 is an abundant number, since it is smaller than the sum of its proper divisors (24886024085358).

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

20001234202002 is a wasteful number, since it uses less digits than its factorization.

20001234202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667259775 (or 3667259769 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20001234202002 its reverse (20020243210002), we get a palindrome (40021477412004).

The spelling of 20001234202002 in words is "twenty trillion, one billion, two hundred thirty-four million, two hundred two thousand, two".