20200120102002 has 32 divisors (see below), whose sum is σ = 41740594584192. Its totient is φ = 6512160409344.

The previous prime is 20200120101983. The next prime is 20200120102003. The reversal of 20200120102002 is 20020102100202.

It is not an unprimeable number, because it can be changed into a prime (20200120102003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272392663 + ... + 272466810.

It is an arithmetic number, because the mean of its divisors is an integer number (1304393580756).

Almost surely, 2^{20200120102002} is an apocalyptic number.

20200120102002 is an abundant number, since it is smaller than the sum of its proper divisors (21540474482190).

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

20200120102002 is a wasteful number, since it uses less digits than its factorization.

20200120102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544859682.

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

Adding to 20200120102002 its reverse (20020102100202), we get a palindrome (40220222202204).

The spelling of 20200120102002 in words is "twenty trillion, two hundred billion, one hundred twenty million, one hundred two thousand, two".