20012303020 has 12 divisors (see below), whose sum is σ = 42025836384. Its totient is φ = 8004921200.

The previous prime is 20012303011. The next prime is 20012303027. The reversal of 20012303020 is 2030321002.

It is a happy number.

It is a super-2 number, since 2×20012303020² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20012303027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500307556 + ... + 500307595.

It is an arithmetic number, because the mean of its divisors is an integer number (3502153032).

Almost surely, 2^20012303020 is an apocalyptic number.

20012303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012303020 is an abundant number, since it is smaller than the sum of its proper divisors (22013533364).

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

20012303020 is a wasteful number, since it uses less digits than its factorization.

20012303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000615160 (or 1000615158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20012303020 its reverse (2030321002), we get a palindrome (22042624022).

The spelling of 20012303020 in words is "twenty billion, twelve million, three hundred three thousand, twenty".