202742781316 has 12 divisors (see below), whose sum is σ = 355238438940. Its totient is φ = 101246084480.

The previous prime is 202742781313. The next prime is 202742781317. The reversal of 202742781316 is 613187247202.

It can be written as a sum of positive squares in 2 ways, for example, as 189831004416 + 12911776900 = 435696^2 + 113630^2 .

It is a super-2 number, since 2×202742781316² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202742781313) 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, 31322905 + ... + 31329376.

It is an arithmetic number, because the mean of its divisors is an integer number (29603203245).

Almost surely, 2^202742781316 is an apocalyptic number.

It is an amenable number.

202742781316 is a deficient number, since it is larger than the sum of its proper divisors (152495657624).

202742781316 is a wasteful number, since it uses less digits than its factorization.

202742781316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62653094 (or 62653092 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 202742781316 in words is "two hundred two billion, seven hundred forty-two million, seven hundred eighty-one thousand, three hundred sixteen".