20052790 has 16 divisors (see below), whose sum is σ = 37995120. Its totient is φ = 7598880.

The previous prime is 20052787. The next prime is 20052793. The reversal of 20052790 is 9725002.

It is an interprime number because it is at equal distance from previous prime (20052787) and next prime (20052793).

It is a super-2 number, since 2×20052790² = 804228773568200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52581 + ... + 52960.

It is an arithmetic number, because the mean of its divisors is an integer number (2374695).

Almost surely, 2^20052790 is an apocalyptic number.

20052790 is a deficient number, since it is larger than the sum of its proper divisors (17942330).

20052790 is a wasteful number, since it uses less digits than its factorization.

20052790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105567.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 20052790 is about 4478.0341669085. The cubic root of 20052790 is about 271.6803753522.

Adding to 20052790 its reverse (9725002), we get a palindrome (29777792).

The spelling of 20052790 in words is "twenty million, fifty-two thousand, seven hundred ninety".