202660626253042 has 8 divisors (see below), whose sum is σ = 304313990327532. Its totient is φ = 101222629477200.

The previous prime is 202660626253031. The next prime is 202660626253049. The reversal of 202660626253042 is 240352626066202.

It can be written as a sum of positive squares in 2 ways, for example, as 169664666240521 + 32995960012521 = 13025539^2 + 5744211^2 .

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

It is a super-2 number, since 2×202660626253042² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202660626252983 and 202660626253001.

It is not an unprimeable number, because it can be changed into a prime (202660626253049) 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, 53841822309 + ... + 53841826072.

Almost surely, 2^{202660626253042} is an apocalyptic number.

202660626253042 is a deficient number, since it is larger than the sum of its proper divisors (101653364074490).

202660626253042 is a wasteful number, since it uses less digits than its factorization.

202660626253042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107683649324.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 202660626253042 in words is "two hundred two trillion, six hundred sixty billion, six hundred twenty-six million, two hundred fifty-three thousand, forty-two".