20925341 has 8 divisors (see below), whose sum is σ = 21675264. Its totient is φ = 20180160.

The previous prime is 20925337. The next prime is 20925343. The reversal of 20925341 is 14352902.

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

It is a cyclic number.

It is not a de Polignac number, because 20925341 - 2² = 20925337 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 20925341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20925343) 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, 9446 + ... + 11448.

It is an arithmetic number, because the mean of its divisors is an integer number (2709408).

Almost surely, 2^20925341 is an apocalyptic number.

It is an amenable number.

20925341 is a deficient number, since it is larger than the sum of its proper divisors (749923).

20925341 is a wasteful number, since it uses less digits than its factorization.

20925341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20925341 is about 4574.4224772096. The cubic root of 20925341 is about 275.5650793826.

The spelling of 20925341 in words is "twenty million, nine hundred twenty-five thousand, three hundred forty-one".