20261065526 has 16 divisors (see below), whose sum is σ = 32742154368. Its totient is φ = 9347620800.

The previous prime is 20261065481. The next prime is 20261065537. The reversal of 20261065526 is 62556016202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83015 + ... + 217746.

It is an arithmetic number, because the mean of its divisors is an integer number (2046384648).

Almost surely, 2^20261065526 is an apocalyptic number.

20261065526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20261065526 is a deficient number, since it is larger than the sum of its proper divisors (12481088842).

20261065526 is a wasteful number, since it uses less digits than its factorization.

20261065526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303367.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 20261065526 in words is "twenty billion, two hundred sixty-one million, sixty-five thousand, five hundred twenty-six".