20100000100202 has 32 divisors (see below), whose sum is σ = 33063901216704. Its totient is φ = 9088355203200.

The previous prime is 20100000100123. The next prime is 20100000100211. The reversal of 20100000100202 is 20200100000102.

It is a self number, because there is not a number n which added to its sum of digits gives 20100000100202.

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, 7852958 + ... + 10093014.

It is an arithmetic number, because the mean of its divisors is an integer number (1033246913022).

Almost surely, 2^{20100000100202} is an apocalyptic number.

20100000100202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20100000100202 is a deficient number, since it is larger than the sum of its proper divisors (12963901116502).

20100000100202 is a wasteful number, since it uses less digits than its factorization.

20100000100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242214.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20100000100202 its reverse (20200100000102), we get a palindrome (40300100100304).

It can be divided in two parts, 20100000 and 100202, that added together give a palindrome (20200202).

The spelling of 20100000100202 in words is "twenty trillion, one hundred billion, one hundred thousand, two hundred two".