203001002040 has 64 divisors (see below), whose sum is σ = 610172105760. Its totient is φ = 54029680640.

The previous prime is 203001002003. The next prime is 203001002069. The reversal of 203001002040 is 40200100302.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1560969 + ... + 1686008.

Almost surely, 2^203001002040 is an apocalyptic number.

203001002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203001002040 is an abundant number, since it is smaller than the sum of its proper divisors (407171103720).

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

203001002040 is a wasteful number, since it uses less digits than its factorization.

203001002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247512 (or 3247508 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 203001002040 its reverse (40200100302), we get a palindrome (243201102342).

The spelling of 203001002040 in words is "two hundred three billion, one million, two thousand, forty".