20322434121 has 48 divisors (see below), whose sum is σ = 31460352000. Its totient is φ = 11641845600.

The previous prime is 20322434113. The next prime is 20322434129. The reversal of 20322434121 is 12143422302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20322434113) and next prime (20322434129).

It is not a de Polignac number, because 20322434121 - 2³ = 20322434113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20322434091 and 20322434100.

It is not an unprimeable number, because it can be changed into a prime (20322434129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 462880 + ... + 504878.

It is an arithmetic number, because the mean of its divisors is an integer number (655424000).

Almost surely, 2^20322434121 is an apocalyptic number.

It is an amenable number.

20322434121 is a deficient number, since it is larger than the sum of its proper divisors (11137917879).

20322434121 is a wasteful number, since it uses less digits than its factorization.

20322434121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42098 (or 42087 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20322434121 its reverse (12143422302), we get a palindrome (32465856423).

The spelling of 20322434121 in words is "twenty billion, three hundred twenty-two million, four hundred thirty-four thousand, one hundred twenty-one".