203133320040 has 192 divisors, whose sum is σ = 739715794560. Its totient is φ = 44411727360.

The previous prime is 203133320023. The next prime is 203133320081. The reversal of 203133320040 is 40023331302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 203133319989 and 203133320016.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 615771 + ... + 886250.

It is an arithmetic number, because the mean of its divisors is an integer number (3852686430).

Almost surely, 2^203133320040 is an apocalyptic number.

203133320040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203133320040 is an abundant number, since it is smaller than the sum of its proper divisors (536582474520).

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

203133320040 is a wasteful number, since it uses less digits than its factorization.

203133320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502072 (or 1502061 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203133320040 its reverse (40023331302), we get a palindrome (243156651342).

The spelling of 203133320040 in words is "two hundred three billion, one hundred thirty-three million, three hundred twenty thousand, forty".