203142132520 has 32 divisors (see below), whose sum is σ = 467699332320. Its totient is φ = 79367158080.

The previous prime is 203142132517. The next prime is 203142132539. The reversal of 203142132520 is 25231241302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59051226 + ... + 59054665.

It is an arithmetic number, because the mean of its divisors is an integer number (14615604135).

Almost surely, 2^203142132520 is an apocalyptic number.

203142132520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203142132520 is an abundant number, since it is smaller than the sum of its proper divisors (264557199800).

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

203142132520 is a wasteful number, since it uses less digits than its factorization.

203142132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118105945 (or 118105941 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 203142132520 its reverse (25231241302), we get a palindrome (228373373822).

The spelling of 203142132520 in words is "two hundred three billion, one hundred forty-two million, one hundred thirty-two thousand, five hundred twenty".