201002020 has 12 divisors (see below), whose sum is σ = 422104284. Its totient is φ = 80400800.

The previous prime is 201001951. The next prime is 201002057. The reversal of 201002020 is 20200102.

It is a happy number.

201002020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 115476516 + 85525504 = 10746^2 + 9248^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201001994 and 201002012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025031 + ... + 5025070.

It is an arithmetic number, because the mean of its divisors is an integer number (35175357).

Almost surely, 2^201002020 is an apocalyptic number.

201002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002020 is an abundant number, since it is smaller than the sum of its proper divisors (221102264).

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

201002020 is a wasteful number, since it uses less digits than its factorization.

201002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10050110 (or 10050108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 201002020 is about 14177.5181184860. The cubic root of 201002020 is about 585.7785625615.

Adding to 201002020 its reverse (20200102), we get a palindrome (221202122).

The spelling of 201002020 in words is "two hundred one million, two thousand, twenty".