20345200248 has 64 divisors (see below), whose sum is σ = 51578691840. Its totient is φ = 6686878464.

The previous prime is 20345200237. The next prime is 20345200283. The reversal of 20345200248 is 84200254302.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 558315 + ... + 593637.

It is an arithmetic number, because the mean of its divisors is an integer number (805917060).

Almost surely, 2^20345200248 is an apocalyptic number.

It is an amenable number.

20345200248 is an abundant number, since it is smaller than the sum of its proper divisors (31233491592).

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

20345200248 is a wasteful number, since it uses less digits than its factorization.

20345200248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35668 (or 35664 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 20345200248 in words is "twenty billion, three hundred forty-five million, two hundred thousand, two hundred forty-eight".