20468767 has 8 divisors (see below), whose sum is σ = 22383360. Its totient is φ = 18563160.

The previous prime is 20468753. The next prime is 20468771. The reversal of 20468767 is 76786402.

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

It is a de Polignac number, because none of the positive numbers 2^k-20468767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20468737) 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, 3084 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (2797920).

Almost surely, 2^20468767 is an apocalyptic number.

20468767 is a deficient number, since it is larger than the sum of its proper divisors (1914593).

20468767 is a wasteful number, since it uses less digits than its factorization.

20468767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 20468767 is about 4524.2421464816. The cubic root of 20468767 is about 273.5461210707.

The spelling of 20468767 in words is "twenty million, four hundred sixty-eight thousand, seven hundred sixty-seven".