20148683 has 8 divisors (see below), whose sum is σ = 21783120. Its totient is φ = 18571680.

The previous prime is 20148679. The next prime is 20148763. The reversal of 20148683 is 38684102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20148683 - 2² = 20148679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20148613) 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, 13628 + ... + 15033.

It is an arithmetic number, because the mean of its divisors is an integer number (2722890).

Almost surely, 2^20148683 is an apocalyptic number.

20148683 is a deficient number, since it is larger than the sum of its proper divisors (1634437).

20148683 is a wasteful number, since it uses less digits than its factorization.

20148683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28717.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 20148683 is about 4488.7284391017. The cubic root of 20148683 is about 272.1127479162.

It can be divided in two parts, 201 and 48683, that added together give a palindrome (48884).

The spelling of 20148683 in words is "twenty million, one hundred forty-eight thousand, six hundred eighty-three".