20125495 has 8 divisors (see below), whose sum is σ = 26008416. Its totient is φ = 14861856.

The previous prime is 20125471. The next prime is 20125513. The reversal of 20125495 is 59452102.

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 20125495 - 2⁷ = 20125367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154747 + ... + 154876.

It is an arithmetic number, because the mean of its divisors is an integer number (3251052).

Almost surely, 2^20125495 is an apocalyptic number.

20125495 is a deficient number, since it is larger than the sum of its proper divisors (5882921).

20125495 is a wasteful number, since it uses less digits than its factorization.

20125495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309641.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 20125495 is about 4486.1447814354. The cubic root of 20125495 is about 272.0083213645.

Adding to 20125495 its reverse (59452102), we get a palindrome (79577597).

The spelling of 20125495 in words is "twenty million, one hundred twenty-five thousand, four hundred ninety-five".