203012013332040 has 64 divisors (see below), whose sum is σ = 664402952727360. Its totient is φ = 49215033534720.

The previous prime is 203012013331961. The next prime is 203012013332047. The reversal of 203012013332040 is 40233310210302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 203012013332040.

It is not an unprimeable number, because it can be changed into a prime (203012013332047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76898488579 + ... + 76898491218.

It is an arithmetic number, because the mean of its divisors is an integer number (10381296136365).

Almost surely, 2^{203012013332040} is an apocalyptic number.

203012013332040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203012013332040 is an abundant number, since it is smaller than the sum of its proper divisors (461390939395320).

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

203012013332040 is a wasteful number, since it uses less digits than its factorization.

203012013332040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153796979822 (or 153796979818 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 203012013332040 its reverse (40233310210302), we get a palindrome (243245323542342).

The spelling of 203012013332040 in words is "two hundred three trillion, twelve billion, thirteen million, three hundred thirty-two thousand, forty".