1000000020124 has 72 divisors (see below), whose sum is σ = 2074706570160. Its totient is φ = 420367094784.

The previous prime is 1000000020083. The next prime is 1000000020197. The reversal of 1000000020124 is 4210200000001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000000020124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43815564 + ... + 43838380.

It is an arithmetic number, because the mean of its divisors is an integer number (28815369030).

Almost surely, 2^{1000000020124} is an apocalyptic number.

1000000020124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000000020124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037353285080).

1000000020124 is an abundant number, since it is smaller than the sum of its proper divisors (1074706550036).

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

1000000020124 is a wasteful number, since it uses less digits than its factorization.

1000000020124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27107 (or 27098 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1000000020124 its reverse (4210200000001), we get a palindrome (5210200020125).

The spelling of 1000000020124 in words is "one trillion, twenty thousand, one hundred twenty-four".