220202121232 has 20 divisors (see below), whose sum is σ = 449096432080. Its totient is φ = 104306267808.

The previous prime is 220202121221. The next prime is 220202121253. The reversal of 220202121232 is 232121202022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362174238 + ... + 362174845.

It is an arithmetic number, because the mean of its divisors is an integer number (22454821604).

Almost surely, 2^220202121232 is an apocalyptic number.

It is an amenable number.

220202121232 is an abundant number, since it is smaller than the sum of its proper divisors (228894310848).

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

220202121232 is a wasteful number, since it uses less digits than its factorization.

220202121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724349110 (or 724349104 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220202121232 its reverse (232121202022), we get a palindrome (452323323254).

The spelling of 220202121232 in words is "two hundred twenty billion, two hundred two million, one hundred twenty-one thousand, two hundred thirty-two".