20382088 has 8 divisors (see below), whose sum is σ = 38216430. Its totient is φ = 10191040.

The previous prime is 20382083. The next prime is 20382091. The reversal of 20382088 is 88028302.

It can be written as a sum of positive squares in only one way, i.e., 20088324 + 293764 = 4482^2 + 542^2 .

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

It is a super-2 number, since 2×20382088² = 830859022479488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20382083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273873 + ... + 1273888.

Almost surely, 2^20382088 is an apocalyptic number.

It is an amenable number.

20382088 is a deficient number, since it is larger than the sum of its proper divisors (17834342).

20382088 is a wasteful number, since it uses less digits than its factorization.

20382088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547767 (or 2547763 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 20382088 is about 4514.6525890704. The cubic root of 20382088 is about 273.1594465436.

The spelling of 20382088 in words is "twenty million, three hundred eighty-two thousand, eighty-eight".