20001100202 has 32 divisors (see below), whose sum is σ = 32226429312. Its totient is φ = 9276194304.

The previous prime is 20001100199. The next prime is 20001100237. The reversal of 20001100202 is 20200110002.

It is a self number, because there is not a number n which added to its sum of digits gives 20001100202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4582073 + ... + 4586435.

It is an arithmetic number, because the mean of its divisors is an integer number (1007075916).

Almost surely, 2^20001100202 is an apocalyptic number.

20001100202 is a deficient number, since it is larger than the sum of its proper divisors (12225329110).

20001100202 is a wasteful number, since it uses less digits than its factorization.

20001100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302.

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

Adding to 20001100202 its reverse (20200110002), we get a palindrome (40201210204).

The spelling of 20001100202 in words is "twenty billion, one million, one hundred thousand, two hundred two".