20301399999 has 24 divisors (see below), whose sum is σ = 29940243840. Its totient is φ = 13251031872.

The previous prime is 20301399953. The next prime is 20301400129. The reversal of 20301399999 is 99999310302.

It is not a de Polignac number, because 20301399999 - 2¹⁵ = 20301367231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301399929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184057 + ... + 272909.

It is an arithmetic number, because the mean of its divisors is an integer number (1247510160).

Almost surely, 2^20301399999 is an apocalyptic number.

20301399999 is a deficient number, since it is larger than the sum of its proper divisors (9638843841).

20301399999 is a wasteful number, since it uses less digits than its factorization.

20301399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89391 (or 89388 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 54.

The spelling of 20301399999 in words is "twenty billion, three hundred one million, three hundred ninety-nine thousand, nine hundred ninety-nine".