2012020010020 has 24 divisors (see below), whose sum is σ = 4276148554944. Its totient is φ = 795111521376.

The previous prime is 2012020010017. The next prime is 2012020010023. The reversal of 2012020010020 is 200100202102.

It is an interprime number because it is at equal distance from previous prime (2012020010017) and next prime (2012020010023).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2012020009979 and 2012020010006.

It is not an unprimeable number, because it can be changed into a prime (2012020010023) 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, 606028464 + ... + 606031783.

It is an arithmetic number, because the mean of its divisors is an integer number (178172856456).

Almost surely, 2^{2012020010020} is an apocalyptic number.

2012020010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012020010020 is an abundant number, since it is smaller than the sum of its proper divisors (2264128544924).

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

2012020010020 is a wasteful number, since it uses less digits than its factorization.

2012020010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212060339 (or 1212060337 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2012020010020 its reverse (200100202102), we get a palindrome (2212120212122).

The spelling of 2012020010020 in words is "two trillion, twelve billion, twenty million, ten thousand, twenty".