20925467 has 2 divisors, whose sum is σ = 20925468. Its totient is φ = 20925466.

The previous prime is 20925439. The next prime is 20925533. The reversal of 20925467 is 76452902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20925467 - 2¹⁰ = 20924443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20925367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10462733 + 10462734.

It is an arithmetic number, because the mean of its divisors is an integer number (10462734).

Almost surely, 2^20925467 is an apocalyptic number.

20925467 is a deficient number, since it is larger than the sum of its proper divisors (1).

20925467 is an equidigital number, since it uses as much as digits as its factorization.

20925467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 20925467 is about 4574.4362494192. The cubic root of 20925467 is about 275.5656324780.

The spelling of 20925467 in words is "twenty million, nine hundred twenty-five thousand, four hundred sixty-seven".