203013211320 has 48 divisors (see below), whose sum is σ = 659792937960. Its totient is φ = 54136856256.

The previous prime is 203013211307. The next prime is 203013211343. The reversal of 203013211320 is 23112310302.

203013211320 is a `hidden beast` number, since 2 + 0 + 301 + 32 + 11 + 320 = 666.

It is a super-2 number, since 2×203013211320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 203013211293 and 203013211302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281962434 + ... + 281963153.

Almost surely, 2^203013211320 is an apocalyptic number.

203013211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203013211320 is an abundant number, since it is smaller than the sum of its proper divisors (456779726640).

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

203013211320 is a wasteful number, since it uses less digits than its factorization.

203013211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563925604 (or 563925597 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203013211320 its reverse (23112310302), we get a palindrome (226125521622).

The spelling of 203013211320 in words is "two hundred three billion, thirteen million, two hundred eleven thousand, three hundred twenty".