20254693089 has 16 divisors (see below), whose sum is σ = 27456258560. Its totient is φ = 13278245760.

The previous prime is 20254693087. The next prime is 20254693091. The reversal of 20254693089 is 98039645202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20254693087) and next prime (20254693091).

It is not a de Polignac number, because 20254693089 - 2¹ = 20254693087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20254693087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801357 + ... + 826245.

It is an arithmetic number, because the mean of its divisors is an integer number (1716016160).

Almost surely, 2^20254693089 is an apocalyptic number.

It is an amenable number.

20254693089 is a deficient number, since it is larger than the sum of its proper divisors (7201565471).

20254693089 is a wasteful number, since it uses less digits than its factorization.

20254693089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29400.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 20254693089 in words is "twenty billion, two hundred fifty-four million, six hundred ninety-three thousand, eighty-nine".