220051331452 has 24 divisors (see below), whose sum is σ = 386819496000. Its totient is φ = 109531758336.

The previous prime is 220051331429. The next prime is 220051331453. The reversal of 220051331452 is 254133150022.

It is a self number, because there is not a number n which added to its sum of digits gives 220051331452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220051331453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248424 + ... + 3315472.

It is an arithmetic number, because the mean of its divisors is an integer number (16117479000).

Almost surely, 2^220051331452 is an apocalyptic number.

It is an amenable number.

220051331452 is a deficient number, since it is larger than the sum of its proper divisors (166768164548).

220051331452 is a wasteful number, since it uses less digits than its factorization.

220051331452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70725 (or 70723 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 220051331452 its reverse (254133150022), we get a palindrome (474184481474).

The spelling of 220051331452 in words is "two hundred twenty billion, fifty-one million, three hundred thirty-one thousand, four hundred fifty-two".