20260354760 has 16 divisors (see below), whose sum is σ = 45585798300. Its totient is φ = 8104141888.

The previous prime is 20260354757. The next prime is 20260354769. The reversal of 20260354760 is 6745306202.

It can be written as a sum of positive squares in 2 ways, for example, as 19076581924 + 1183772836 = 138118^2 + 34406^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20260354760.

It is not an unprimeable number, because it can be changed into a prime (20260354769) 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 3 ways as a sum of consecutive naturals, for example, 253254395 + ... + 253254474.

Almost surely, 2^20260354760 is an apocalyptic number.

20260354760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20260354760 is an abundant number, since it is smaller than the sum of its proper divisors (25325443540).

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

20260354760 is a wasteful number, since it uses less digits than its factorization.

20260354760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506508880 (or 506508876 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 20260354760 in words is "twenty billion, two hundred sixty million, three hundred fifty-four thousand, seven hundred sixty".