203074168100 has 72 divisors (see below), whose sum is σ = 467647756128. Its totient is φ = 76278592000.

The previous prime is 203074168093. The next prime is 203074168153. The reversal of 203074168100 is 1861470302.

It is a super-2 number, since 2×203074168100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618275 + ... + 887925.

It is an arithmetic number, because the mean of its divisors is an integer number (6495107724).

Almost surely, 2^203074168100 is an apocalyptic number.

203074168100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203074168100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233823878064).

203074168100 is an abundant number, since it is smaller than the sum of its proper divisors (264573588028).

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

203074168100 is a wasteful number, since it uses less digits than its factorization.

203074168100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270125 (or 270118 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 203074168100 in words is "two hundred three billion, seventy-four million, one hundred sixty-eight thousand, one hundred".