24132123420 has 24 divisors (see below), whose sum is σ = 67569945744. Its totient is φ = 6435232896.

The previous prime is 24132123413. The next prime is 24132123427. The reversal of 24132123420 is 2432123142.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (24132123413) and next prime (24132123427).

It is a super-2 number, since 2×24132123420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24132123427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201100969 + ... + 201101088.

It is an arithmetic number, because the mean of its divisors is an integer number (2815414406).

Almost surely, 2^24132123420 is an apocalyptic number.

24132123420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24132123420 is an abundant number, since it is smaller than the sum of its proper divisors (43437822324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24132123420 is a wasteful number, since it uses less digits than its factorization.

24132123420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402202069 (or 402202067 counting only the distinct ones).

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

Adding to 24132123420 its reverse (2432123142), we get a palindrome (26564246562).

The spelling of 24132123420 in words is "twenty-four billion, one hundred thirty-two million, one hundred twenty-three thousand, four hundred twenty".