20019120248 has 32 divisors (see below), whose sum is σ = 39446877360. Its totient is φ = 9512536320.

The previous prime is 20019120241. The next prime is 20019120281. The reversal of 20019120248 is 84202191002.

It is a self number, because there is not a number n which added to its sum of digits gives 20019120248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20019120241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773693 + ... + 799148.

Almost surely, 2^20019120248 is an apocalyptic number.

It is an amenable number.

20019120248 is a deficient number, since it is larger than the sum of its proper divisors (19427757112).

20019120248 is a wasteful number, since it uses less digits than its factorization.

20019120248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572927 (or 1572923 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 20019120248 in words is "twenty billion, nineteen million, one hundred twenty thousand, two hundred forty-eight".