20163731023352 has 32 divisors (see below), whose sum is σ = 43497981612000. Its totient is φ = 8583601697664.

The previous prime is 20163731023343. The next prime is 20163731023361. The reversal of 20163731023352 is 25332013736102.

It is an interprime number because it is at equal distance from previous prime (20163731023343) and next prime (20163731023361).

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, 1208268923 + ... + 1208285610.

It is an arithmetic number, because the mean of its divisors is an integer number (1359311925375).

Almost surely, 2^{20163731023352} is an apocalyptic number.

It is an amenable number.

20163731023352 is an abundant number, since it is smaller than the sum of its proper divisors (23334250588648).

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

20163731023352 is a wasteful number, since it uses less digits than its factorization.

20163731023352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416554695 (or 2416554691 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

Adding to 20163731023352 its reverse (25332013736102), we get a palindrome (45495744759454).

The spelling of 20163731023352 in words is "twenty trillion, one hundred sixty-three billion, seven hundred thirty-one million, twenty-three thousand, three hundred fifty-two".