20200021100102 has 8 divisors (see below), whose sum is σ = 30665092272696. Its totient is φ = 9978323675872.

The previous prime is 20200021100089. The next prime is 20200021100159. The reversal of 20200021100102 is 20100112000202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60843436883 + ... + 60843437214.

It is an arithmetic number, because the mean of its divisors is an integer number (3833136534087).

Almost surely, 2^{20200021100102} is an apocalyptic number.

20200021100102 is a deficient number, since it is larger than the sum of its proper divisors (10465071172594).

20200021100102 is a wasteful number, since it uses less digits than its factorization.

20200021100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121686874182.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20200021100102 its reverse (20100112000202), we get a palindrome (40300133100304).

The spelling of 20200021100102 in words is "twenty trillion, two hundred billion, twenty-one million, one hundred thousand, one hundred two".