20120003010 has 24 divisors (see below), whose sum is σ = 52312008060. Its totient is φ = 5365334112.

The previous prime is 20120002927. The next prime is 20120003023. The reversal of 20120003010 is 1030002102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19390841001 + 729162009 = 139251^2 + 27003^2 .

It is a super-2 number, since 2×20120003010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20120002983 and 20120003001.

It is an unprimeable number.

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, 111777705 + ... + 111777884.

Almost surely, 2^20120003010 is an apocalyptic number.

20120003010 is an abundant number, since it is smaller than the sum of its proper divisors (32192005050).

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

20120003010 is a wasteful number, since it uses less digits than its factorization.

20120003010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223555602 (or 223555599 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20120003010 its reverse (1030002102), we get a palindrome (21150005112).

The spelling of 20120003010 in words is "twenty billion, one hundred twenty million, three thousand, ten".