20263077 has 12 divisors (see below), whose sum is σ = 29327584. Its totient is φ = 13481640.

The previous prime is 20263073. The next prime is 20263091. The reversal of 20263077 is 77036202.

20263077 is a `hidden beast` number, since 20 + 2 + 630 + 7 + 7 = 666.

It is not a de Polignac number, because 20263077 - 2² = 20263073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20263077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20263073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3168 + ... + 7110.

Almost surely, 2^20263077 is an apocalyptic number.

It is an amenable number.

20263077 is a deficient number, since it is larger than the sum of its proper divisors (9064507).

20263077 is a wasteful number, since it uses less digits than its factorization.

20263077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20263077 is about 4501.4527654969. The cubic root of 20263077 is about 272.6267491044.

Adding to 20263077 its reverse (77036202), we get a palindrome (97299279).

The spelling of 20263077 in words is "twenty million, two hundred sixty-three thousand, seventy-seven".