20677352 has 16 divisors (see below), whose sum is σ = 38939940. Its totient is φ = 10293376.

The previous prime is 20677351. The next prime is 20677357. The reversal of 20677352 is 25377602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20666116 + 11236 = 4546^2 + 106^2 .

It is not an unprimeable number, because it can be changed into a prime (20677351) 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, 3683 + ... + 7410.

Almost surely, 2^20677352 is an apocalyptic number.

It is an amenable number.

20677352 is a deficient number, since it is larger than the sum of its proper divisors (18262588).

20677352 is a wasteful number, since it uses less digits than its factorization.

20677352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11332 (or 11328 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 20677352 is about 4547.2356437730. The cubic root of 20677352 is about 274.4721643788.

The spelling of 20677352 in words is "twenty million, six hundred seventy-seven thousand, three hundred fifty-two".