203132021330 has 32 divisors (see below), whose sum is σ = 418164215040. Its totient is φ = 69596493120.

The previous prime is 203132021329. The next prime is 203132021359. The reversal of 203132021330 is 33120231302.

It is a super-2 number, since 2×203132021330² (a number of 23 digits) contains 22 as substring.

It is a Curzon 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, 915326 + ... + 1115385.

It is an arithmetic number, because the mean of its divisors is an integer number (13067631720).

Almost surely, 2^203132021330 is an apocalyptic number.

203132021330 is an abundant number, since it is smaller than the sum of its proper divisors (215032193710).

203132021330 is a wasteful number, since it uses less digits than its factorization.

203132021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032154.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203132021330 its reverse (33120231302), we get a palindrome (236252252632).

The spelling of 203132021330 in words is "two hundred three billion, one hundred thirty-two million, twenty-one thousand, three hundred thirty".