20402241435 has 12 divisors (see below), whose sum is σ = 35363885232. Its totient is φ = 10881195408.

The previous prime is 20402241427. The next prime is 20402241469. The reversal of 20402241435 is 53414220402.

20402241435 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 224 + 1 + 435 = 666.

It is not a de Polignac number, because 20402241435 - 2³ = 20402241427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20402241399 and 20402241408.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 226691527 + ... + 226691616.

It is an arithmetic number, because the mean of its divisors is an integer number (2946990436).

Almost surely, 2^20402241435 is an apocalyptic number.

20402241435 is a deficient number, since it is larger than the sum of its proper divisors (14961643797).

20402241435 is a wasteful number, since it uses less digits than its factorization.

20402241435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453383154 (or 453383151 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20402241435 its reverse (53414220402), we get a palindrome (73816461837).

The spelling of 20402241435 in words is "twenty billion, four hundred two million, two hundred forty-one thousand, four hundred thirty-five".