2012020320 has 48 divisors (see below), whose sum is σ = 6337865520. Its totient is φ = 536538624.

The previous prime is 2012020313. The next prime is 2012020327. The reversal of 2012020320 is 230202102.

It is an interprime number because it is at equal distance from previous prime (2012020313) and next prime (2012020327).

It is a tau number, because it is divible by the number of its divisors (48).

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 = 2012020296 and 2012020305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095375 + ... + 2096334.

It is an arithmetic number, because the mean of its divisors is an integer number (132038865).

Almost surely, 2^2012020320 is an apocalyptic number.

2012020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012020320 is an abundant number, since it is smaller than the sum of its proper divisors (4325845200).

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

2012020320 is a wasteful number, since it uses less digits than its factorization.

2012020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191727 (or 4191719 counting only the distinct ones).

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

The square root of 2012020320 is about 44855.5494894444. The cubic root of 2012020320 is about 1262.4401189780.

Adding to 2012020320 its reverse (230202102), we get a palindrome (2242222422).

The spelling of 2012020320 in words is "two billion, twelve million, twenty thousand, three hundred twenty".