20620104430 has 16 divisors (see below), whose sum is σ = 37456705440. Its totient is φ = 8172371232.

The previous prime is 20620104409. The next prime is 20620104431. The reversal of 20620104430 is 3440102602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620104431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9457674 + ... + 9459853.

It is an arithmetic number, because the mean of its divisors is an integer number (2341044090).

Almost surely, 2^20620104430 is an apocalyptic number.

20620104430 is a deficient number, since it is larger than the sum of its proper divisors (16836601010).

20620104430 is a wasteful number, since it uses less digits than its factorization.

20620104430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18917643.

The product of its (nonzero) digits is 1152, while the sum is 22.

The spelling of 20620104430 in words is "twenty billion, six hundred twenty million, one hundred four thousand, four hundred thirty".