203198262054 has 48 divisors (see below), whose sum is σ = 416814374592. Its totient is φ = 66004119216.

The previous prime is 203198262037. The next prime is 203198262061. The reversal of 203198262054 is 450262891302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203198261997 and 203198262015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64240677 + ... + 64243839.

It is an arithmetic number, because the mean of its divisors is an integer number (8683632804).

Almost surely, 2^203198262054 is an apocalyptic number.

203198262054 is an abundant number, since it is smaller than the sum of its proper divisors (213616112538).

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

203198262054 is an equidigital number, since it uses as much as digits as its factorization.

203198262054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209 (or 3710 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 203198262054 in words is "two hundred three billion, one hundred ninety-eight million, two hundred sixty-two thousand, fifty-four".