20432350152420 has 48 divisors (see below), whose sum is σ = 57369941435520. Its totient is φ = 5433449468416.

The previous prime is 20432350152419. The next prime is 20432350152421. The reversal of 20432350152420 is 2425105323402.

It is an interprime number because it is at equal distance from previous prime (20432350152419) and next prime (20432350152421).

It is not an unprimeable number, because it can be changed into a prime (20432350152421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474266997 + ... + 474310076.

It is an arithmetic number, because the mean of its divisors is an integer number (1195207113240).

Almost surely, 2^{20432350152420} is an apocalyptic number.

20432350152420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20432350152420 is an abundant number, since it is smaller than the sum of its proper divisors (36937591283100).

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

20432350152420 is a wasteful number, since it uses less digits than its factorization.

20432350152420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948577444 (or 948577442 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 20432350152420 its reverse (2425105323402), we get a palindrome (22857455475822).

The spelling of 20432350152420 in words is "twenty trillion, four hundred thirty-two billion, three hundred fifty million, one hundred fifty-two thousand, four hundred twenty".