20848024240 has 20 divisors (see below), whose sum is σ = 48471656544. Its totient is φ = 8339209664.

The previous prime is 20848024231. The next prime is 20848024271. The reversal of 20848024240 is 4242084802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×20848024240² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20848024196 and 20848024205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130300072 + ... + 130300231.

Almost surely, 2^20848024240 is an apocalyptic number.

20848024240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20848024240 is an abundant number, since it is smaller than the sum of its proper divisors (27623632304).

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

20848024240 is a wasteful number, since it uses less digits than its factorization.

20848024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260600316 (or 260600310 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 34.

The spelling of 20848024240 in words is "twenty billion, eight hundred forty-eight million, twenty-four thousand, two hundred forty".