20342114121 has 32 divisors (see below), whose sum is σ = 31223808000. Its totient is φ = 11539471680.

The previous prime is 20342114087. The next prime is 20342114123. The reversal of 20342114121 is 12141124302.

It is not a de Polignac number, because 20342114121 - 2⁶ = 20342114057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20342114123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1921240 + ... + 1931798.

It is an arithmetic number, because the mean of its divisors is an integer number (975744000).

Almost surely, 2^20342114121 is an apocalyptic number.

20342114121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20342114121 is a deficient number, since it is larger than the sum of its proper divisors (10881693879).

20342114121 is a wasteful number, since it uses less digits than its factorization.

20342114121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11229.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20342114121 its reverse (12141124302), we get a palindrome (32483238423).

The spelling of 20342114121 in words is "twenty billion, three hundred forty-two million, one hundred fourteen thousand, one hundred twenty-one".