20452340160112 has 40 divisors (see below), whose sum is σ = 45287641120736. Its totient is φ = 8765227385856.

The previous prime is 20452340160103. The next prime is 20452340160113. The reversal of 20452340160112 is 21106104325402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452340160113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17838148 + ... + 18950044.

Almost surely, 2^{20452340160112} is an apocalyptic number.

It is an amenable number.

20452340160112 is an abundant number, since it is smaller than the sum of its proper divisors (24835300960624).

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

20452340160112 is a wasteful number, since it uses less digits than its factorization.

20452340160112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276145 (or 1276139 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 20452340160112 its reverse (21106104325402), we get a palindrome (41558444485514).

The spelling of 20452340160112 in words is "twenty trillion, four hundred fifty-two billion, three hundred forty million, one hundred sixty thousand, one hundred twelve".