20101103232 has 64 divisors (see below), whose sum is σ = 61021214400. Its totient is φ = 5743171584.

The previous prime is 20101103227. The next prime is 20101103233. The reversal of 20101103232 is 23230110102.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×20101103232² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20101103233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3736357 + ... + 3741732.

It is an arithmetic number, because the mean of its divisors is an integer number (953456475).

Almost surely, 2^20101103232 is an apocalyptic number.

It is an amenable number.

20101103232 is an abundant number, since it is smaller than the sum of its proper divisors (40920111168).

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

20101103232 is an equidigital number, since it uses as much as digits as its factorization.

20101103232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478113 (or 7478101 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20101103232 its reverse (23230110102), we get a palindrome (43331213334).

The spelling of 20101103232 in words is "twenty billion, one hundred one million, one hundred three thousand, two hundred thirty-two".