20454330430 has 8 divisors (see below), whose sum is σ = 36817794792. Its totient is φ = 8181732168.

The previous prime is 20454330427. The next prime is 20454330461. The reversal of 20454330430 is 3403345402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022716512 + ... + 1022716531.

It is an arithmetic number, because the mean of its divisors is an integer number (4602224349).

Almost surely, 2^20454330430 is an apocalyptic number.

20454330430 is a deficient number, since it is larger than the sum of its proper divisors (16363464362).

20454330430 is a wasteful number, since it uses less digits than its factorization.

20454330430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045433050.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 20454330430 its reverse (3403345402), we get a palindrome (23857675832).

The spelling of 20454330430 in words is "twenty billion, four hundred fifty-four million, three hundred thirty thousand, four hundred thirty".