20130202020 has 48 divisors (see below), whose sum is σ = 56376048960. Its totient is φ = 5366960256.

The previous prime is 20130202009. The next prime is 20130202021. The reversal of 20130202020 is 2020203102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20130201987 and 20130202005.

It is not an unprimeable number, because it can be changed into a prime (20130202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287866 + ... + 350894.

It is an arithmetic number, because the mean of its divisors is an integer number (1174501020).

Almost surely, 2^20130202020 is an apocalyptic number.

20130202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130202020 is an abundant number, since it is smaller than the sum of its proper divisors (36245846940).

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

20130202020 is a wasteful number, since it uses less digits than its factorization.

20130202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68364 (or 68362 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20130202020 its reverse (2020203102), we get a palindrome (22150405122).

The spelling of 20130202020 in words is "twenty billion, one hundred thirty million, two hundred two thousand, twenty".