19470920248 has 32 divisors (see below), whose sum is σ = 39349820160. Its totient is φ = 8978912640.

The previous prime is 19470920243. The next prime is 19470920297. The reversal of 19470920248 is 84202907491.

It is a junction number, because it is equal to n+sod(n) for n = 19470920198 and 19470920207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19470920243) 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, 43561 + ... + 202087.

It is an arithmetic number, because the mean of its divisors is an integer number (1229681880).

Almost surely, 2^19470920248 is an apocalyptic number.

It is an amenable number.

19470920248 is an abundant number, since it is smaller than the sum of its proper divisors (19878899912).

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

19470920248 is a wasteful number, since it uses less digits than its factorization.

19470920248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159727 (or 159723 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 19470920248 in words is "nineteen billion, four hundred seventy million, nine hundred twenty thousand, two hundred forty-eight".