203630144020252 has 24 divisors (see below), whose sum is σ = 356756042965392. Its totient is φ = 101699860953600.

The previous prime is 203630144020243. The next prime is 203630144020279. The reversal of 203630144020252 is 252020441036302.

It is a super-2 number, since 2×203630144020252² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52949923 + ... + 56665285.

It is an arithmetic number, because the mean of its divisors is an integer number (14864835123558).

Almost surely, 2^{203630144020252} is an apocalyptic number.

It is an amenable number.

203630144020252 is a deficient number, since it is larger than the sum of its proper divisors (153125898945140).

203630144020252 is a wasteful number, since it uses less digits than its factorization.

203630144020252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730869 (or 3730867 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 203630144020252 its reverse (252020441036302), we get a palindrome (455650585056554).

The spelling of 203630144020252 in words is "two hundred three trillion, six hundred thirty billion, one hundred forty-four million, twenty thousand, two hundred fifty-two".