20115213322 has 8 divisors (see below), whose sum is σ = 31760863200. Its totient is φ = 9528258924.

The previous prime is 20115213289. The next prime is 20115213329. The reversal of 20115213322 is 22331251102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20115213293 and 20115213302.

It is not an unprimeable number, because it can be changed into a prime (20115213329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264673822 + ... + 264673897.

It is an arithmetic number, because the mean of its divisors is an integer number (3970107900).

Almost surely, 2^20115213322 is an apocalyptic number.

20115213322 is a deficient number, since it is larger than the sum of its proper divisors (11645649878).

20115213322 is a wasteful number, since it uses less digits than its factorization.

20115213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529347740.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20115213322 its reverse (22331251102), we get a palindrome (42446464424).

The spelling of 20115213322 in words is "twenty billion, one hundred fifteen million, two hundred thirteen thousand, three hundred twenty-two".