20830457430 has 48 divisors (see below), whose sum is σ = 54197582400. Its totient is φ = 5550850944.

The previous prime is 20830457423. The next prime is 20830457437. The reversal of 20830457430 is 3475403802.

It is a happy number.

20830457430 is a `hidden beast` number, since 2 + 0 + 83 + 0 + 4 + 574 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20830457423) and next prime (20830457437).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20830457437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46746 + ... + 209394.

It is an arithmetic number, because the mean of its divisors is an integer number (1129116300).

Almost surely, 2^20830457430 is an apocalyptic number.

20830457430 is an abundant number, since it is smaller than the sum of its proper divisors (33367124970).

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

20830457430 is a wasteful number, since it uses less digits than its factorization.

20830457430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164085 (or 164082 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 20830457430 in words is "twenty billion, eight hundred thirty million, four hundred fifty-seven thousand, four hundred thirty".