203422124024240 has 160 divisors (see below), whose sum is σ = 519791393721600. Its totient is φ = 73421559567360.

The previous prime is 203422124024227. The next prime is 203422124024261. The reversal of 203422124024240 is 42420421224302.

It is a junction number, because it is equal to n+sod(n) for n = 203422124024197 and 203422124024206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505347371 + ... + 505749749.

It is an arithmetic number, because the mean of its divisors is an integer number (3248696210760).

Almost surely, 2^{203422124024240} is an apocalyptic number.

203422124024240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203422124024240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259895696860800).

203422124024240 is an abundant number, since it is smaller than the sum of its proper divisors (316369269697360).

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

203422124024240 is a wasteful number, since it uses less digits than its factorization.

203422124024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406675 (or 406669 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 203422124024240 its reverse (42420421224302), we get a palindrome (245842545248542).

The spelling of 203422124024240 in words is "two hundred three trillion, four hundred twenty-two billion, one hundred twenty-four million, twenty-four thousand, two hundred forty".