20328702 has 32 divisors (see below), whose sum is σ = 44108064. Its totient is φ = 6220800.

The previous prime is 20328701. The next prime is 20328713. The reversal of 20328702 is 20782302.

It is a super-2 number, since 2×20328702² = 826512250009608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20328701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (1378377).

Almost surely, 2^20328702 is an apocalyptic number.

20328702 is an abundant number, since it is smaller than the sum of its proper divisors (23779362).

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

20328702 is a wasteful number, since it uses less digits than its factorization.

20328702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20328702 is about 4508.7361865605. The cubic root of 20328702 is about 272.9207460908.

The spelling of 20328702 in words is "twenty million, three hundred twenty-eight thousand, seven hundred two".