20023121122 has 8 divisors (see below), whose sum is σ = 30036451500. Its totient is φ = 10010970624.

The previous prime is 20023121059. The next prime is 20023121149. The reversal of 20023121122 is 22112132002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19519163521 + 503957601 = 139711^2 + 22449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×20023121122³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023121096 and 20023121105.

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, 251247 + ... + 321202.

Almost surely, 2^20023121122 is an apocalyptic number.

20023121122 is a deficient number, since it is larger than the sum of its proper divisors (10013330378).

20023121122 is a wasteful number, since it uses less digits than its factorization.

20023121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589940.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20023121122 its reverse (22112132002), we get a palindrome (42135253124).

The spelling of 20023121122 in words is "twenty billion, twenty-three million, one hundred twenty-one thousand, one hundred twenty-two".