20020001122 has 16 divisors (see below), whose sum is σ = 32840114400. Its totient is φ = 9077747040.

The previous prime is 20020001117. The next prime is 20020001123. The reversal of 20020001122 is 22110002002.

It is a junction number, because it is equal to n+sod(n) for n = 20020001099 and 20020001108.

It is not an unprimeable number, because it can be changed into a prime (20020001123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103472 + ... + 1121467.

It is an arithmetic number, because the mean of its divisors is an integer number (2052507150).

Almost surely, 2^20020001122 is an apocalyptic number.

20020001122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20020001122 is a deficient number, since it is larger than the sum of its proper divisors (12820113278).

20020001122 is a wasteful number, since it uses less digits than its factorization.

20020001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225361.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20020001122 its reverse (22110002002), we get a palindrome (42130003124).

The spelling of 20020001122 in words is "twenty billion, twenty million, one thousand, one hundred twenty-two".