203214111520 has 96 divisors (see below), whose sum is σ = 566377491456. Its totient is φ = 67425868800.

The previous prime is 203214111409. The next prime is 203214111533. The reversal of 203214111520 is 25111412302.

It is a junction number, because it is equal to n+sod(n) for n = 203214111491 and 203214111500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2891751 + ... + 2961190.

It is an arithmetic number, because the mean of its divisors is an integer number (5899765536).

Almost surely, 2^203214111520 is an apocalyptic number.

203214111520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203214111520 is an abundant number, since it is smaller than the sum of its proper divisors (363163379936).

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

203214111520 is a wasteful number, since it uses less digits than its factorization.

203214111520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852994 (or 5852986 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 203214111520 its reverse (25111412302), we get a palindrome (228325523822).

The spelling of 203214111520 in words is "two hundred three billion, two hundred fourteen million, one hundred eleven thousand, five hundred twenty".