20034300457 has 8 divisors (see below), whose sum is σ = 20534544576. Its totient is φ = 19538583792.

The previous prime is 20034300427. The next prime is 20034300469. The reversal of 20034300457 is 75400343002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20034300457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034300427) 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, 1122903 + ... + 1140604.

It is an arithmetic number, because the mean of its divisors is an integer number (2566818072).

Almost surely, 2^20034300457 is an apocalyptic number.

It is an amenable number.

20034300457 is a deficient number, since it is larger than the sum of its proper divisors (500244119).

20034300457 is a wasteful number, since it uses less digits than its factorization.

20034300457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263727.

The product of its (nonzero) digits is 10080, while the sum is 28.

Adding to 20034300457 its reverse (75400343002), we get a palindrome (95434643459).

The spelling of 20034300457 in words is "twenty billion, thirty-four million, three hundred thousand, four hundred fifty-seven".