20301312548 has 24 divisors (see below), whose sum is σ = 38930868480. Its totient is φ = 9186484320.

The previous prime is 20301312533. The next prime is 20301312557. The reversal of 20301312548 is 84521310302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20301312548.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024703 + ... + 1044326.

It is an arithmetic number, because the mean of its divisors is an integer number (1622119520).

Almost surely, 2^20301312548 is an apocalyptic number.

It is an amenable number.

20301312548 is a deficient number, since it is larger than the sum of its proper divisors (18629555932).

20301312548 is a wasteful number, since it uses less digits than its factorization.

20301312548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069267 (or 2069265 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 20301312548 in words is "twenty billion, three hundred one million, three hundred twelve thousand, five hundred forty-eight".