20122486 has 8 divisors (see below), whose sum is σ = 30826080. Its totient is φ = 9847128.

The previous prime is 20122477. The next prime is 20122499. The reversal of 20122486 is 68422102.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20122486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106941 + ... + 107128.

It is an arithmetic number, because the mean of its divisors is an integer number (3853260).

Almost surely, 2^20122486 is an apocalyptic number.

20122486 is a deficient number, since it is larger than the sum of its proper divisors (10703594).

20122486 is a wasteful number, since it uses less digits than its factorization.

20122486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214118.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20122486 is about 4485.8094029952. The cubic root of 20122486 is about 271.9947645330.

Adding to 20122486 its reverse (68422102), we get a palindrome (88544588).

The spelling of 20122486 in words is "twenty million, one hundred twenty-two thousand, four hundred eighty-six".