203002132120 has 32 divisors (see below), whose sum is σ = 456962328720. Its totient is φ = 81163958400.

The previous prime is 203002132103. The next prime is 203002132129. The reversal of 203002132120 is 21231200302.

It is a junction number, because it is equal to n+sod(n) for n = 203002132094 and 203002132103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203002132129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063731 + ... + 1239970.

Almost surely, 2^203002132120 is an apocalyptic number.

203002132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203002132120 is an abundant number, since it is smaller than the sum of its proper divisors (253960196600).

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

203002132120 is a wasteful number, since it uses less digits than its factorization.

203002132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305915 (or 2305911 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203002132120 its reverse (21231200302), we get a palindrome (224233332422).

The spelling of 203002132120 in words is "two hundred three billion, two million, one hundred thirty-two thousand, one hundred twenty".