124402132430020 has 24 divisors (see below), whose sum is σ = 261246532738968. Its totient is φ = 49760461612800.

The previous prime is 124402132429957. The next prime is 124402132430021. The reversal of 124402132430020 is 20034231204421.

It can be written as a sum of positive squares in 4 ways, for example, as 25958270945476 + 98443861484544 = 5094926^2 + 9921888^2 .

It is not an unprimeable number, because it can be changed into a prime (124402132430021) 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, 21846591 + ... + 26945830.

It is an arithmetic number, because the mean of its divisors is an integer number (10885272197457).

Almost surely, 2^{124402132430020} is an apocalyptic number.

124402132430020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124402132430020 is an abundant number, since it is smaller than the sum of its proper divisors (136844400308948).

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

124402132430020 is a wasteful number, since it uses less digits than its factorization.

124402132430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48919911 (or 48919909 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 124402132430020 its reverse (20034231204421), we get a palindrome (144436363634441).

The spelling of 124402132430020 in words is "one hundred twenty-four trillion, four hundred two billion, one hundred thirty-two million, four hundred thirty thousand, twenty".