20763116 has 18 divisors (see below), whose sum is σ = 39939900. Its totient is φ = 9437560.

The previous prime is 20763091. The next prime is 20763131. The reversal of 20763116 is 61136702.

It is a super-2 number, since 2×20763116² = 862213972058912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20966 + ... + 21933.

Almost surely, 2^20763116 is an apocalyptic number.

It is an amenable number.

20763116 is a deficient number, since it is larger than the sum of its proper divisors (19176784).

20763116 is a wasteful number, since it uses less digits than its factorization.

20763116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42925 (or 42912 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20763116 is about 4556.6562301758. The cubic root of 20763116 is about 274.8511194130.

Adding to 20763116 its reverse (61136702), we get a palindrome (81899818).

The spelling of 20763116 in words is "twenty million, seven hundred sixty-three thousand, one hundred sixteen".