20234310421 has 32 divisors (see below), whose sum is σ = 23971627008. Its totient is φ = 16921206720.

The previous prime is 20234310403. The next prime is 20234310431. The reversal of 20234310421 is 12401343202.

It is not a de Polignac number, because 20234310421 - 2¹⁷ = 20234179349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20234310392 and 20234310401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234310431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412420 + ... + 458866.

It is an arithmetic number, because the mean of its divisors is an integer number (749113344).

Almost surely, 2^20234310421 is an apocalyptic number.

It is an amenable number.

20234310421 is a deficient number, since it is larger than the sum of its proper divisors (3737316587).

20234310421 is a wasteful number, since it uses less digits than its factorization.

20234310421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46561.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20234310421 its reverse (12401343202), we get a palindrome (32635653623).

The spelling of 20234310421 in words is "twenty billion, two hundred thirty-four million, three hundred ten thousand, four hundred twenty-one".