20245476 has 24 divisors (see below), whose sum is σ = 47556544. Its totient is φ = 6703200.

The previous prime is 20245471. The next prime is 20245483. The reversal of 20245476 is 67454202.

It is not an unprimeable number, because it can be changed into a prime (20245471) 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, 3775 + ... + 7398.

Almost surely, 2^20245476 is an apocalyptic number.

It is an amenable number.

20245476 is an abundant number, since it is smaller than the sum of its proper divisors (27311068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20245476 is a wasteful number, since it uses less digits than its factorization.

20245476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331 (or 11329 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 20245476 is about 4499.4973052553. The cubic root of 20245476 is about 272.5477895030.

Adding to 20245476 its reverse (67454202), we get a palindrome (87699678).

The spelling of 20245476 in words is "twenty million, two hundred forty-five thousand, four hundred seventy-six".