20469752 has 8 divisors (see below), whose sum is σ = 38380800. Its totient is φ = 10234872.

The previous prime is 20469739. The next prime is 20469791. The reversal of 20469752 is 25796402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279352 + ... + 1279367.

It is an arithmetic number, because the mean of its divisors is an integer number (4797600).

Almost surely, 2^20469752 is an apocalyptic number.

It is an amenable number.

20469752 is a deficient number, since it is larger than the sum of its proper divisors (17911048).

20469752 is a wasteful number, since it uses less digits than its factorization.

20469752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558725 (or 2558721 counting only the distinct ones).

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

The square root of 20469752 is about 4524.3510031827. The cubic root of 20469752 is about 273.5505088713.

The spelling of 20469752 in words is "twenty million, four hundred sixty-nine thousand, seven hundred fifty-two".