203005540231252 has 48 divisors (see below), whose sum is σ = 389601055771200. Its totient is φ = 91788425717760.

The previous prime is 203005540231217. The next prime is 203005540231261. The reversal of 203005540231252 is 252132045500302.

It is a super-2 number, since 2×203005540231252² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 88792999 + ... + 91050577.

It is an arithmetic number, because the mean of its divisors is an integer number (8116688661900).

Almost surely, 2^{203005540231252} is an apocalyptic number.

203005540231252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203005540231252 is a deficient number, since it is larger than the sum of its proper divisors (186595515539948).

203005540231252 is a wasteful number, since it uses less digits than its factorization.

203005540231252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268376 (or 2268374 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 203005540231252 its reverse (252132045500302), we get a palindrome (455137585731554).

The spelling of 203005540231252 in words is "two hundred three trillion, five billion, five hundred forty million, two hundred thirty-one thousand, two hundred fifty-two".