20260544709 has 16 divisors (see below), whose sum is σ = 27184485888. Its totient is φ = 13421868912.

The previous prime is 20260544701. The next prime is 20260544719. The reversal of 20260544709 is 90744506202.

It is not a de Polignac number, because 20260544709 - 2³ = 20260544701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20260544701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2695134 + ... + 2702640.

It is an arithmetic number, because the mean of its divisors is an integer number (1699030368).

Almost surely, 2^20260544709 is an apocalyptic number.

It is an amenable number.

20260544709 is a deficient number, since it is larger than the sum of its proper divisors (6923941179).

20260544709 is a wasteful number, since it uses less digits than its factorization.

20260544709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13064.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 20260544709 in words is "twenty billion, two hundred sixty million, five hundred forty-four thousand, seven hundred nine".