204020011240202 has 4 divisors (see below), whose sum is σ = 306030016860306. Its totient is φ = 102010005620100.

The previous prime is 204020011240099. The next prime is 204020011240211. The reversal of 204020011240202 is 202042110020402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178737407071441 + 25282604168761 = 13369271^2 + 5028181^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005002810049 + ... + 51005002810052.

Almost surely, 2^{204020011240202} is an apocalyptic number.

204020011240202 is a deficient number, since it is larger than the sum of its proper divisors (102010005620104).

204020011240202 is a wasteful number, since it uses less digits than its factorization.

204020011240202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102010005620103.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 204020011240202 its reverse (202042110020402), we get a palindrome (406062121260604).

The spelling of 204020011240202 in words is "two hundred four trillion, twenty billion, eleven million, two hundred forty thousand, two hundred two".