20526116 has 12 divisors (see below), whose sum is σ = 38683932. Its totient is φ = 9473568.

The previous prime is 20526071. The next prime is 20526151. The reversal of 20526116 is 61162502.

It can be written as a sum of positive squares in 2 ways, for example, as 1638400 + 18887716 = 1280^2 + 4346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20526091 and 20526100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197315 + ... + 197418.

It is an arithmetic number, because the mean of its divisors is an integer number (3223661).

Almost surely, 2^20526116 is an apocalyptic number.

20526116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20526116 is a deficient number, since it is larger than the sum of its proper divisors (18157816).

20526116 is a wasteful number, since it uses less digits than its factorization.

20526116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394750 (or 394748 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 20526116 is about 4530.5756808600. The cubic root of 20526116 is about 273.8013549463.

Adding to 20526116 its reverse (61162502), we get a palindrome (81688618).

The spelling of 20526116 in words is "twenty million, five hundred twenty-six thousand, one hundred sixteen".