20024140145202 has 24 divisors (see below), whose sum is σ = 43389194531436. Its totient is φ = 6674166066336.

The previous prime is 20024140145167. The next prime is 20024140145203. The reversal of 20024140145202 is 20254104142002.

It is a happy number.

20024140145202 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 414 + 0 + 1 + 45 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18915375370761 + 1108764774441 = 4349181^2 + 1052979^2 .

It is not an unprimeable number, because it can be changed into a prime (20024140145203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45383973 + ... + 45823064.

Almost surely, 2^{20024140145202} is an apocalyptic number.

20024140145202 is an abundant number, since it is smaller than the sum of its proper divisors (23365054386234).

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

20024140145202 is a wasteful number, since it uses less digits than its factorization.

20024140145202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91219242 (or 91219239 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 20024140145202 its reverse (20254104142002), we get a palindrome (40278244287204).

The spelling of 20024140145202 in words is "twenty trillion, twenty-four billion, one hundred forty million, one hundred forty-five thousand, two hundred two".