20261060 has 12 divisors (see below), whose sum is σ = 42548268. Its totient is φ = 8104416.

The previous prime is 20261039. The next prime is 20261071. The reversal of 20261060 is 6016202.

It can be written as a sum of positive squares in 2 ways, for example, as 13778944 + 6482116 = 3712^2 + 2546^2 .

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, 506507 + ... + 506546.

It is an arithmetic number, because the mean of its divisors is an integer number (3545689).

Almost surely, 2^20261060 is an apocalyptic number.

20261060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20261060 is an abundant number, since it is smaller than the sum of its proper divisors (22287208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20261060 is a wasteful number, since it uses less digits than its factorization.

20261060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013062 (or 1013060 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20261060 is about 4501.2287211383. The cubic root of 20261060 is about 272.6177029890.

Adding to 20261060 its reverse (6016202), we get a palindrome (26277262).

The spelling of 20261060 in words is "twenty million, two hundred sixty-one thousand, sixty".