203640644002252 has 12 divisors (see below), whose sum is σ = 356390529927040. Its totient is φ = 101814778308816.

The previous prime is 203640644002247. The next prime is 203640644002273. The reversal of 203640644002252 is 252200446046302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385840427 + ... + 1385987362.

Almost surely, 2^{203640644002252} is an apocalyptic number.

It is an amenable number.

203640644002252 is a deficient number, since it is larger than the sum of its proper divisors (152749885924788).

203640644002252 is a wasteful number, since it uses less digits than its factorization.

203640644002252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771846160 (or 2771846158 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 203640644002252 in words is "two hundred three trillion, six hundred forty billion, six hundred forty-four million, two thousand, two hundred fifty-two".