20423544202 has 8 divisors (see below), whose sum is σ = 30757370112. Its totient is φ = 10171087500.

The previous prime is 20423544199. The next prime is 20423544203. The reversal of 20423544202 is 20244532402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20423544203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20341674 + ... + 20342677.

It is an arithmetic number, because the mean of its divisors is an integer number (3844671264).

Almost surely, 2^20423544202 is an apocalyptic number.

20423544202 is a deficient number, since it is larger than the sum of its proper divisors (10333825910).

20423544202 is a wasteful number, since it uses less digits than its factorization.

20423544202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40684604.

The product of its (nonzero) digits is 15360, while the sum is 28.

The spelling of 20423544202 in words is "twenty billion, four hundred twenty-three million, five hundred forty-four thousand, two hundred two".