20763106 has 16 divisors (see below), whose sum is σ = 38332224. Its totient is φ = 8213904.

The previous prime is 20763091. The next prime is 20763131. The reversal of 20763106 is 60136702.

It is a super-3 number, since 3×20763106³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 7 ways as a sum of consecutive naturals, for example, 56860 + ... + 57223.

It is an arithmetic number, because the mean of its divisors is an integer number (2395764).

Almost surely, 2^20763106 is an apocalyptic number.

20763106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20763106 is a deficient number, since it is larger than the sum of its proper divisors (17569118).

20763106 is a wasteful number, since it uses less digits than its factorization.

20763106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114105.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20763106 is about 4556.6551328798. The cubic root of 20763106 is about 274.8510752881.

Adding to 20763106 its reverse (60136702), we get a palindrome (80899808).

The spelling of 20763106 in words is "twenty million, seven hundred sixty-three thousand, one hundred six".