20121003024 has 40 divisors (see below), whose sum is σ = 51985556640. Its totient is φ = 6706188288.

The previous prime is 20121003013. The next prime is 20121003139. The reversal of 20121003024 is 42030012102.

It is a junction number, because it is equal to n+sod(n) for n = 20121002994 and 20121003012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477499 + ... + 517925.

It is an arithmetic number, because the mean of its divisors is an integer number (1299638916).

Almost surely, 2^20121003024 is an apocalyptic number.

20121003024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20121003024 is an abundant number, since it is smaller than the sum of its proper divisors (31864553616).

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

20121003024 is a wasteful number, since it uses less digits than its factorization.

20121003024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50807 (or 50801 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20121003024 its reverse (42030012102), we get a palindrome (62151015126).

The spelling of 20121003024 in words is "twenty billion, one hundred twenty-one million, three thousand, twenty-four".