20323467 has 20 divisors (see below), whose sum is σ = 31682640. Its totient is φ = 12958704.

The previous prime is 20323453. The next prime is 20323487. The reversal of 20323467 is 76432302.

It is not a de Polignac number, because 20323467 - 2⁷ = 20323339 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20323467.

It is not an unprimeable number, because it can be changed into a prime (20323427) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3592 + ... + 7317.

It is an arithmetic number, because the mean of its divisors is an integer number (1584132).

Almost surely, 2^20323467 is an apocalyptic number.

20323467 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20323467 is a deficient number, since it is larger than the sum of its proper divisors (11359173).

20323467 is a wasteful number, since it uses less digits than its factorization.

20323467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10944 (or 10935 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 20323467 is about 4508.1556095592. The cubic root of 20323467 is about 272.8973167746.

Adding to 20323467 its reverse (76432302), we get a palindrome (96755769).

The spelling of 20323467 in words is "twenty million, three hundred twenty-three thousand, four hundred sixty-seven".