20452110272 has 28 divisors (see below), whose sum is σ = 44274172056. Its totient is φ = 9296413440.

The previous prime is 20452110271. The next prime is 20452110299. The reversal of 20452110272 is 27201125402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452110271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14524943 + ... + 14526350.

Almost surely, 2^20452110272 is an apocalyptic number.

20452110272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20452110272 is an abundant number, since it is smaller than the sum of its proper divisors (23822061784).

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

20452110272 is a wasteful number, since it uses less digits than its factorization.

20452110272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29051316 (or 29051306 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 20452110272 its reverse (27201125402), we get a palindrome (47653235674).

The spelling of 20452110272 in words is "twenty billion, four hundred fifty-two million, one hundred ten thousand, two hundred seventy-two".