202001019100 has 36 divisors (see below), whose sum is σ = 438362505504. Its totient is φ = 80796666880.

The previous prime is 202001019083. The next prime is 202001019119. The reversal of 202001019100 is 1910100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3355869 + ... + 3415531.

It is an arithmetic number, because the mean of its divisors is an integer number (12176736264).

Almost surely, 2^202001019100 is an apocalyptic number.

202001019100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202001019100 is an abundant number, since it is smaller than the sum of its proper divisors (236361486404).

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

202001019100 is a wasteful number, since it uses less digits than its factorization.

202001019100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93534 (or 93527 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 202001019100 its reverse (1910100202), we get a palindrome (203911119302).

The spelling of 202001019100 in words is "two hundred two billion, one million, nineteen thousand, one hundred".