202664460242 has 4 divisors (see below), whose sum is σ = 303996690366. Its totient is φ = 101332230120.

The previous prime is 202664460199. The next prime is 202664460253. The reversal of 202664460242 is 242064466202.

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., 132815784721 + 69848675521 = 364439^2 + 264289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202664460196 and 202664460205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50666115059 + ... + 50666115062.

Almost surely, 2^202664460242 is an apocalyptic number.

202664460242 is a deficient number, since it is larger than the sum of its proper divisors (101332230124).

202664460242 is a wasteful number, since it uses less digits than its factorization.

202664460242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101332230123.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 202664460242 in words is "two hundred two billion, six hundred sixty-four million, four hundred sixty thousand, two hundred forty-two".