20712001248 has 72 divisors (see below), whose sum is σ = 59363635968. Its totient is φ = 6849626112.

The previous prime is 20712001223. The next prime is 20712001253. The reversal of 20712001248 is 84210021702.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246561 + ... + 319712.

It is an arithmetic number, because the mean of its divisors is an integer number (824494944).

Almost surely, 2^20712001248 is an apocalyptic number.

It is an amenable number.

20712001248 is an abundant number, since it is smaller than the sum of its proper divisors (38651634720).

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

20712001248 is a wasteful number, since it uses less digits than its factorization.

20712001248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566416 (or 566405 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The spelling of 20712001248 in words is "twenty billion, seven hundred twelve million, one thousand, two hundred forty-eight".