20254935098487 has 16 divisors (see below), whose sum is σ = 27877937310720. Its totient is φ = 13067617012800.

The previous prime is 20254935098473. The next prime is 20254935098533. The reversal of 20254935098487 is 78489053945202.

It is not a de Polignac number, because 20254935098487 - 2⁶ = 20254935098423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20254935093487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16233187 + ... + 17436347.

It is an arithmetic number, because the mean of its divisors is an integer number (1742371081920).

Almost surely, 2^{20254935098487} is an apocalyptic number.

20254935098487 is a deficient number, since it is larger than the sum of its proper divisors (7623002212233).

20254935098487 is a wasteful number, since it uses less digits than its factorization.

20254935098487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384214.

The product of its (nonzero) digits is 174182400, while the sum is 66.

The spelling of 20254935098487 in words is "twenty trillion, two hundred fifty-four billion, nine hundred thirty-five million, ninety-eight thousand, four hundred eighty-seven".