20526055 has 32 divisors (see below), whose sum is σ = 29471040. Its totient is φ = 13547520.

The previous prime is 20526049. The next prime is 20526059. The reversal of 20526055 is 55062502.

It is not a de Polignac number, because 20526055 - 2³ = 20526047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20526059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26737 + ... + 27493.

It is an arithmetic number, because the mean of its divisors is an integer number (920970).

Almost surely, 2^20526055 is an apocalyptic number.

20526055 is a deficient number, since it is larger than the sum of its proper divisors (8944985).

20526055 is a wasteful number, since it uses less digits than its factorization.

20526055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 20526055 is about 4530.5689488187. The cubic root of 20526055 is about 273.8010837162.

Adding to 20526055 its reverse (55062502), we get a palindrome (75588557).

The spelling of 20526055 in words is "twenty million, five hundred twenty-six thousand, fifty-five".