202021234402744 has 32 divisors (see below), whose sum is σ = 379565133008400. Its totient is φ = 100803898163200.

The previous prime is 202021234402717. The next prime is 202021234402787. The reversal of 202021234402744 is 447204432120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47759544 + ... + 51817144.

Almost surely, 2^{202021234402744} is an apocalyptic number.

It is an amenable number.

202021234402744 is a deficient number, since it is larger than the sum of its proper divisors (177543898605656).

202021234402744 is a wasteful number, since it uses less digits than its factorization.

202021234402744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070343 (or 4070339 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 37.

Adding to 202021234402744 its reverse (447204432120202), we get a palindrome (649225666522946).

The spelling of 202021234402744 in words is "two hundred two trillion, twenty-one billion, two hundred thirty-four million, four hundred two thousand, seven hundred forty-four".