20124110100 has 36 divisors (see below), whose sum is σ = 58225759424. Its totient is φ = 5366429280.

The previous prime is 20124110087. The next prime is 20124110101. The reversal of 20124110100 is 101142102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33539884 + ... + 33540483.

Almost surely, 2^20124110100 is an apocalyptic number.

20124110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20124110100 is an abundant number, since it is smaller than the sum of its proper divisors (38101649324).

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

20124110100 is a wasteful number, since it uses less digits than its factorization.

20124110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67080384 (or 67080377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20124110100 its reverse (101142102), we get a palindrome (20225252202).

The spelling of 20124110100 in words is "twenty billion, one hundred twenty-four million, one hundred ten thousand, one hundred".