720013233322 has 4 divisors (see below), whose sum is σ = 1080019849986. Its totient is φ = 360006616660.

The previous prime is 720013233307. The next prime is 720013233349. The reversal of 720013233322 is 223332310027.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 710853020641 + 9160212681 = 843121^2 + 95709^2 .

It is a super-2 number, since 2×720013233322² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180003308329 + ... + 180003308332.

Almost surely, 2^720013233322 is an apocalyptic number.

720013233322 is a deficient number, since it is larger than the sum of its proper divisors (360006616664).

720013233322 is a wasteful number, since it uses less digits than its factorization.

720013233322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360006616663.

The product of its (nonzero) digits is 9072, while the sum is 28.

Adding to 720013233322 its reverse (223332310027), we get a palindrome (943345543349).

The spelling of 720013233322 in words is "seven hundred twenty billion, thirteen million, two hundred thirty-three thousand, three hundred twenty-two".