20021302122 has 32 divisors (see below), whose sum is σ = 41417550720. Its totient is φ = 6447770880.

The previous prime is 20021302031. The next prime is 20021302123. The reversal of 20021302122 is 22120312002.

It is a happy number.

20021302122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20021302123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369747 + ... + 420422.

It is an arithmetic number, because the mean of its divisors is an integer number (1294298460).

Almost surely, 2^20021302122 is an apocalyptic number.

20021302122 is an abundant number, since it is smaller than the sum of its proper divisors (21396248598).

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

20021302122 is a wasteful number, since it uses less digits than its factorization.

20021302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790318.

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

Adding to 20021302122 its reverse (22120312002), we get a palindrome (42141614124).

The spelling of 20021302122 in words is "twenty billion, twenty-one million, three hundred two thousand, one hundred twenty-two".