202841878242 has 32 divisors (see below), whose sum is σ = 406737302400. Its totient is φ = 67438597248.

The previous prime is 202841878241. The next prime is 202841878301. The reversal of 202841878242 is 242878148202.

It is a super-2 number, since 2×202841878242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202841878191 and 202841878200.

It is not an unprimeable number, because it can be changed into a prime (202841878241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3617859 + ... + 3673497.

It is an arithmetic number, because the mean of its divisors is an integer number (12710540700).

Almost surely, 2^202841878242 is an apocalyptic number.

202841878242 is an abundant number, since it is smaller than the sum of its proper divisors (203895424158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202841878242 is a wasteful number, since it uses less digits than its factorization.

202841878242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57210.

The product of its (nonzero) digits is 917504, while the sum is 48.

The spelling of 202841878242 in words is "two hundred two billion, eight hundred forty-one million, eight hundred seventy-eight thousand, two hundred forty-two".