19886020248 has 32 divisors (see below), whose sum is σ = 51876576000. Its totient is φ = 6340470048.

The previous prime is 19886020229. The next prime is 19886020267. The reversal of 19886020248 is 84202068891.

It is an interprime number because it is at equal distance from previous prime (19886020229) and next prime (19886020267).

It is a junction number, because it is equal to n+sod(n) for n = 19886020197 and 19886020206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18012148 + ... + 18013251.

It is an arithmetic number, because the mean of its divisors is an integer number (1621143000).

Almost surely, 2^19886020248 is an apocalyptic number.

It is an amenable number.

19886020248 is an abundant number, since it is smaller than the sum of its proper divisors (31990555752).

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

19886020248 is a wasteful number, since it uses less digits than its factorization.

19886020248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36025431 (or 36025427 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 19886020248 in words is "nineteen billion, eight hundred eighty-six million, twenty thousand, two hundred forty-eight".