20052770 has 8 divisors (see below), whose sum is σ = 36095004. Its totient is φ = 8021104.

The previous prime is 20052751. The next prime is 20052787. The reversal of 20052770 is 7725002.

It can be written as a sum of positive squares in 2 ways, for example, as 19070689 + 982081 = 4367^2 + 991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20052770² = 804227169345800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002629 + ... + 1002648.

Almost surely, 2^20052770 is an apocalyptic number.

20052770 is a deficient number, since it is larger than the sum of its proper divisors (16042234).

20052770 is a wasteful number, since it uses less digits than its factorization.

20052770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005284.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 20052770 is about 4478.0319337852. The cubic root of 20052770 is about 271.6802850304.

Adding to 20052770 its reverse (7725002), we get a palindrome (27777772).

The spelling of 20052770 in words is "twenty million, fifty-two thousand, seven hundred seventy".