20003123010 has 64 divisors (see below), whose sum is σ = 52174805760. Its totient is φ = 4878662400.

The previous prime is 20003123003. The next prime is 20003123051. The reversal of 20003123010 is 1032130002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192766 + ... + 277785.

It is an arithmetic number, because the mean of its divisors is an integer number (815231340).

Almost surely, 2^20003123010 is an apocalyptic number.

20003123010 is an abundant number, since it is smaller than the sum of its proper divisors (32171682750).

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

20003123010 is a wasteful number, since it uses less digits than its factorization.

20003123010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470683.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20003123010 its reverse (1032130002), we get a palindrome (21035253012).

The spelling of 20003123010 in words is "twenty billion, three million, one hundred twenty-three thousand, ten".