20020131222 has 64 divisors (see below), whose sum is σ = 50115663360. Its totient is φ = 5190534144.

The previous prime is 20020131211. The next prime is 20020131259. The reversal of 20020131222 is 22213102002.

It is a happy number.

20020131222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278523 + ... + 342950.

It is an arithmetic number, because the mean of its divisors is an integer number (783057240).

Almost surely, 2^20020131222 is an apocalyptic number.

20020131222 is an abundant number, since it is smaller than the sum of its proper divisors (30095532138).

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

20020131222 is a wasteful number, since it uses less digits than its factorization.

20020131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621557.

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

Adding to 20020131222 its reverse (22213102002), we get a palindrome (42233233224).

The spelling of 20020131222 in words is "twenty billion, twenty million, one hundred thirty-one thousand, two hundred twenty-two".