20183398652 has 48 divisors (see below), whose sum is σ = 36737619072. Its totient is φ = 9695125440.

The previous prime is 20183398639. The next prime is 20183398663. The reversal of 20183398652 is 25689338102.

It is a super-2 number, since 2×20183398652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20183398597 and 20183398606.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 13609103 + ... + 13610585.

It is an arithmetic number, because the mean of its divisors is an integer number (765367064).

Almost surely, 2^20183398652 is an apocalyptic number.

It is an amenable number.

20183398652 is a deficient number, since it is larger than the sum of its proper divisors (16554220420).

20183398652 is a wasteful number, since it uses less digits than its factorization.

20183398652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778 (or 2776 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 20183398652 in words is "twenty billion, one hundred eighty-three million, three hundred ninety-eight thousand, six hundred fifty-two".