20275148248 has 8 divisors (see below), whose sum is σ = 38015902980. Its totient is φ = 10137574120.

The previous prime is 20275148239. The next prime is 20275148249. The reversal of 20275148248 is 84284157202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20275148248² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20275148249) by changing a digit.

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 as a sum of consecutive naturals, namely, 1267196758 + ... + 1267196773.

Almost surely, 2^20275148248 is an apocalyptic number.

It is an amenable number.

20275148248 is a deficient number, since it is larger than the sum of its proper divisors (17740754732).

20275148248 is a wasteful number, since it uses less digits than its factorization.

20275148248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534393537 (or 2534393533 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 20275148248 in words is "twenty billion, two hundred seventy-five million, one hundred forty-eight thousand, two hundred forty-eight".