20460495 has 24 divisors (see below), whose sum is σ = 35986608. Its totient is φ = 9919360.

The previous prime is 20460467. The next prime is 20460523. The reversal of 20460495 is 59406402.

20460495 = T₂ + T₃ + ... + T₄₉₆.

It is an interprime number because it is at equal distance from previous prime (20460467) and next prime (20460523).

It is not a de Polignac number, because 20460495 - 2⁸ = 20460239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3822 + ... + 7451.

It is an arithmetic number, because the mean of its divisors is an integer number (1499442).

Almost surely, 2^20460495 is an apocalyptic number.

20460495 is a deficient number, since it is larger than the sum of its proper divisors (15526113).

20460495 is a wasteful number, since it uses less digits than its factorization.

20460495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303 (or 11292 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20460495 is about 4523.3278678424. The cubic root of 20460495 is about 273.5092668983.

Adding to 20460495 its reverse (59406402), we get a palindrome (79866897).

The spelling of 20460495 in words is "twenty million, four hundred sixty thousand, four hundred ninety-five".