20020124100 has 36 divisors (see below), whose sum is σ = 57924893264. Its totient is φ = 5338699680.

The previous prime is 20020124099. The next prime is 20020124107. The reversal of 20020124100 is 142102002.

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

It is not an unprimeable number, because it can be changed into a prime (20020124107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33366574 + ... + 33367173.

Almost surely, 2^20020124100 is an apocalyptic number.

20020124100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020124100 is an abundant number, since it is smaller than the sum of its proper divisors (37904769164).

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

20020124100 is a wasteful number, since it uses less digits than its factorization.

20020124100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66733764 (or 66733757 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020124100 its reverse (142102002), we get a palindrome (20162226102).

The spelling of 20020124100 in words is "twenty billion, twenty million, one hundred twenty-four thousand, one hundred".