20351122 has 8 divisors (see below), whose sum is σ = 33301872. Its totient is φ = 9250500.

The previous prime is 20351119. The next prime is 20351131. The reversal of 20351122 is 22115302.

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 = 20351096 and 20351105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462504 + ... + 462547.

It is an arithmetic number, because the mean of its divisors is an integer number (4162734).

Almost surely, 2^20351122 is an apocalyptic number.

20351122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20351122 is a deficient number, since it is larger than the sum of its proper divisors (12950750).

20351122 is a wasteful number, since it uses less digits than its factorization.

20351122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925064.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20351122 is about 4511.2217857250. The cubic root of 20351122 is about 273.0210416410.

Adding to 20351122 its reverse (22115302), we get a palindrome (42466424).

The spelling of 20351122 in words is "twenty million, three hundred fifty-one thousand, one hundred twenty-two".