203221054652 has 48 divisors (see below), whose sum is σ = 457694361600. Its totient is φ = 76622932800.

The previous prime is 203221054633. The next prime is 203221054697. The reversal of 203221054652 is 256450122302.

It is a super-2 number, since 2×203221054652² (a number of 23 digits) contains 22 as substring.

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, 10632527 + ... + 10651622.

It is an arithmetic number, because the mean of its divisors is an integer number (9535299200).

Almost surely, 2^203221054652 is an apocalyptic number.

203221054652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203221054652 is an abundant number, since it is smaller than the sum of its proper divisors (254473306948).

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

203221054652 is a wasteful number, since it uses less digits than its factorization.

203221054652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21284202 (or 21284200 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 203221054652 its reverse (256450122302), we get a palindrome (459671176954).

The spelling of 203221054652 in words is "two hundred three billion, two hundred twenty-one million, fifty-four thousand, six hundred fifty-two".