20452976 has 20 divisors (see below), whose sum is σ = 39776472. Its totient is φ = 10188096.

The previous prime is 20452967. The next prime is 20452979. The reversal of 20452976 is 67925402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2270 + ... + 6786.

Almost surely, 2^20452976 is an apocalyptic number.

It is an amenable number.

20452976 is a deficient number, since it is larger than the sum of its proper divisors (19323496).

20452976 is a wasteful number, since it uses less digits than its factorization.

20452976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808 (or 4802 counting only the distinct ones).

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

The square root of 20452976 is about 4522.4966556096. The cubic root of 20452976 is about 273.4757589416.

The spelling of 20452976 in words is "twenty million, four hundred fifty-two thousand, nine hundred seventy-six".