202002424442 has 72 divisors (see below), whose sum is σ = 381921176412. Its totient is φ = 79861017600.

The previous prime is 202002424439. The next prime is 202002424487. The reversal of 202002424442 is 244424200202.

It can be written as a sum of positive squares in 6 ways, for example, as 18733670641 + 183268753801 = 136871^2 + 428099^2 .

It is a super-2 number, since 2×202002424442² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34462592 + ... + 34468452.

Almost surely, 2^202002424442 is an apocalyptic number.

202002424442 is a deficient number, since it is larger than the sum of its proper divisors (179918751970).

202002424442 is a wasteful number, since it uses less digits than its factorization.

202002424442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7984 (or 7964 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 202002424442 its reverse (244424200202), we get a palindrome (446426624644).

The spelling of 202002424442 in words is "two hundred two billion, two million, four hundred twenty-four thousand, four hundred forty-two".