20132430 has 16 divisors (see below), whose sum is σ = 48317904. Its totient is φ = 5368640.

The previous prime is 20132407. The next prime is 20132443. The reversal of 20132430 is 3423102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335511 + ... + 335570.

It is an arithmetic number, because the mean of its divisors is an integer number (3019869).

Almost surely, 2^20132430 is an apocalyptic number.

20132430 is an abundant number, since it is smaller than the sum of its proper divisors (28185474).

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

20132430 is a wasteful number, since it uses less digits than its factorization.

20132430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671091.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20132430 is about 4486.9176502361. The cubic root of 20132430 is about 272.0395613593.

Adding to 20132430 its reverse (3423102), we get a palindrome (23555532).

The spelling of 20132430 in words is "twenty million, one hundred thirty-two thousand, four hundred thirty".