20606363 has 8 divisors (see below), whose sum is σ = 21867408. Its totient is φ = 19350784.

The previous prime is 20606357. The next prime is 20606371. The reversal of 20606363 is 36360602.

It is a happy number.

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 20606363 - 2¹⁰ = 20605339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20606063) 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, 8495 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (2733426).

Almost surely, 2^20606363 is an apocalyptic number.

20606363 is a deficient number, since it is larger than the sum of its proper divisors (1261045).

20606363 is a wasteful number, since it uses less digits than its factorization.

20606363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 20606363 is about 4539.4232012448. The cubic root of 20606363 is about 274.1577004343.

Adding to 20606363 its reverse (36360602), we get a palindrome (56966965).

The spelling of 20606363 in words is "twenty million, six hundred six thousand, three hundred sixty-three".