20624482 has 4 divisors (see below), whose sum is σ = 30936726. Its totient is φ = 10312240.

The previous prime is 20624479. The next prime is 20624489. The reversal of 20624482 is 28442602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17131321 + 3493161 = 4139^2 + 1869^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20624482.

It is not an unprimeable number, because it can be changed into a prime (20624489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156119 + ... + 5156122.

Almost surely, 2^20624482 is an apocalyptic number.

20624482 is a deficient number, since it is larger than the sum of its proper divisors (10312244).

20624482 is a wasteful number, since it uses less digits than its factorization.

20624482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10312243.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 20624482 is about 4541.4185008651. The cubic root of 20624482 is about 274.2380317400.

The spelling of 20624482 in words is "twenty million, six hundred twenty-four thousand, four hundred eighty-two".