20345030456299 has 8 divisors (see below), whose sum is σ = 20354520130560. Its totient is φ = 20335542927336.

The previous prime is 20345030456287. The next prime is 20345030456371. The reversal of 20345030456299 is 99265403054302.

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

It is a cyclic number.

It is not a de Polignac number, because 20345030456299 - 2¹³ = 20345030448107 is a prime.

It is a super-2 number, since 2×20345030456299² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20345030456279) 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, 18593944 + ... + 19657690.

It is an arithmetic number, because the mean of its divisors is an integer number (2544315016320).

Almost surely, 2^{20345030456299} is an apocalyptic number.

20345030456299 is a deficient number, since it is larger than the sum of its proper divisors (9489674261).

20345030456299 is a wasteful number, since it uses less digits than its factorization.

20345030456299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072649.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 20345030456299 in words is "twenty trillion, three hundred forty-five billion, thirty million, four hundred fifty-six thousand, two hundred ninety-nine".