20021120322 has 16 divisors (see below), whose sum is σ = 45762560832. Its totient is φ = 5720320080.

The previous prime is 20021120309. The next prime is 20021120333. The reversal of 20021120322 is 22302112002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238346629 + ... + 238346712.

It is an arithmetic number, because the mean of its divisors is an integer number (2860160052).

Almost surely, 2^20021120322 is an apocalyptic number.

20021120322 is an abundant number, since it is smaller than the sum of its proper divisors (25741440510).

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

20021120322 is a wasteful number, since it uses less digits than its factorization.

20021120322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476693353.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20021120322 its reverse (22302112002), we get a palindrome (42323232324).

The spelling of 20021120322 in words is "twenty billion, twenty-one million, one hundred twenty thousand, three hundred twenty-two".