20045324430 has 24 divisors (see below), whose sum is σ = 52117843752. Its totient is φ = 5345419824.

The previous prime is 20045324419. The next prime is 20045324441. The reversal of 20045324430 is 3442354002.

20045324430 is a `hidden beast` number, since 200 + 4 + 5 + 3 + 24 + 430 = 666.

It is an interprime number because it is at equal distance from previous prime (20045324419) and next prime (20045324441).

It is a junction number, because it is equal to n+sod(n) for n = 20045324394 and 20045324403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111362824 + ... + 111363003.

It is an arithmetic number, because the mean of its divisors is an integer number (2171576823).

Almost surely, 2^20045324430 is an apocalyptic number.

20045324430 is an abundant number, since it is smaller than the sum of its proper divisors (32072519322).

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

20045324430 is a wasteful number, since it uses less digits than its factorization.

20045324430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222725840 (or 222725837 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 20045324430 its reverse (3442354002), we get a palindrome (23487678432).

The spelling of 20045324430 in words is "twenty billion, forty-five million, three hundred twenty-four thousand, four hundred thirty".