20148626319 has 32 divisors (see below), whose sum is σ = 28070461440. Its totient is φ = 12845523552.

The previous prime is 20148626273. The next prime is 20148626339. The reversal of 20148626319 is 91362684102.

It is not a de Polignac number, because 20148626319 - 2⁸ = 20148626063 is a prime.

It is a super-2 number, since 2×20148626319² (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 (20148626339) 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 in 31 ways as a sum of consecutive naturals, for example, 1382022 + ... + 1396524.

It is an arithmetic number, because the mean of its divisors is an integer number (877201920).

Almost surely, 2^20148626319 is an apocalyptic number.

20148626319 is a deficient number, since it is larger than the sum of its proper divisors (7921835121).

20148626319 is a wasteful number, since it uses less digits than its factorization.

20148626319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 20148626319 in words is "twenty billion, one hundred forty-eight million, six hundred twenty-six thousand, three hundred nineteen".