20202013454 has 32 divisors (see below), whose sum is σ = 36656256000. Its totient is φ = 8156985120.

The previous prime is 20202013441. The next prime is 20202013487. The reversal of 20202013454 is 45431020202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161654 + ... + 257945.

It is an arithmetic number, because the mean of its divisors is an integer number (1145508000).

Almost surely, 2^20202013454 is an apocalyptic number.

20202013454 is a deficient number, since it is larger than the sum of its proper divisors (16454242546).

20202013454 is a wasteful number, since it uses less digits than its factorization.

20202013454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419808.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20202013454 its reverse (45431020202), we get a palindrome (65633033656).

The spelling of 20202013454 in words is "twenty billion, two hundred two million, thirteen thousand, four hundred fifty-four".