20482111100 has 36 divisors (see below), whose sum is σ = 48486745608. Its totient is φ = 7448040000.

The previous prime is 20482111081. The next prime is 20482111121. The reversal of 20482111100 is 111128402.

It is a super-2 number, since 2×20482111100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9308951 + ... + 9311150.

Almost surely, 2^20482111100 is an apocalyptic number.

20482111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20482111100 is an abundant number, since it is smaller than the sum of its proper divisors (28004634508).

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

20482111100 is a wasteful number, since it uses less digits than its factorization.

20482111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18620126 (or 18620119 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 20482111100 its reverse (111128402), we get a palindrome (20593239502).

The spelling of 20482111100 in words is "twenty billion, four hundred eighty-two million, one hundred eleven thousand, one hundred".