20248988492 has 24 divisors (see below), whose sum is σ = 37482952416. Its totient is φ = 9551634048.

The previous prime is 20248988479. The next prime is 20248988519. The reversal of 20248988492 is 29488984202.

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 7 ways as a sum of consecutive naturals, for example, 1500803 + ... + 1514234.

It is an arithmetic number, because the mean of its divisors is an integer number (1561789684).

Almost surely, 2^20248988492 is an apocalyptic number.

It is an amenable number.

20248988492 is a deficient number, since it is larger than the sum of its proper divisors (17233963924).

20248988492 is a wasteful number, since it uses less digits than its factorization.

20248988492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015137 (or 3015135 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 20248988492 in words is "twenty billion, two hundred forty-eight million, nine hundred eighty-eight thousand, four hundred ninety-two".