20793467 has 16 divisors (see below), whose sum is σ = 23147520. Its totient is φ = 18597600.

The previous prime is 20793463. The next prime is 20793473. The reversal of 20793467 is 76439702.

It is a cyclic number.

It is not a de Polignac number, because 20793467 - 2² = 20793463 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 20793467.

It is not an unprimeable number, because it can be changed into a prime (20793463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24917 + ... + 25737.

It is an arithmetic number, because the mean of its divisors is an integer number (1446720).

Almost surely, 2^20793467 is an apocalyptic number.

20793467 is a deficient number, since it is larger than the sum of its proper divisors (2354053).

20793467 is a wasteful number, since it uses less digits than its factorization.

20793467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 20793467 is about 4559.9854166433. The cubic root of 20793467 is about 274.9849776918.

The spelling of 20793467 in words is "twenty million, seven hundred ninety-three thousand, four hundred sixty-seven".