20004540202 has 8 divisors (see below), whose sum is σ = 30498725412. Its totient is φ = 9838298400.

The previous prime is 20004540187. The next prime is 20004540217. The reversal of 20004540202 is 20204540002.

It is an interprime number because it is at equal distance from previous prime (20004540187) and next prime (20004540217).

It can be written as a sum of positive squares in 2 ways, for example, as 17939655721 + 2064884481 = 133939^2 + 45441^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20004540202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81985699 + ... + 81985942.

Almost surely, 2^20004540202 is an apocalyptic number.

20004540202 is a deficient number, since it is larger than the sum of its proper divisors (10494185210).

20004540202 is a wasteful number, since it uses less digits than its factorization.

20004540202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163971704.

The product of its (nonzero) digits is 640, while the sum is 19.

The spelling of 20004540202 in words is "twenty billion, four million, five hundred forty thousand, two hundred two".