2036060021 has 4 divisors (see below), whose sum is σ = 2036840652. Its totient is φ = 2035279392.

The previous prime is 2036060017. The next prime is 2036060053. The reversal of 2036060021 is 1200606302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1867449796 + 168610225 = 43214^2 + 12985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2036060021 - 2² = 2036060017 is a prime.

It is a super-2 number, since 2×2036060021² = 8291080818229040882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2036059975 and 2036060002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2036060011) 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, 386390 + ... + 391623.

It is an arithmetic number, because the mean of its divisors is an integer number (509210163).

Almost surely, 2^2036060021 is an apocalyptic number.

It is an amenable number.

2036060021 is a deficient number, since it is larger than the sum of its proper divisors (780631).

2036060021 is an equidigital number, since it uses as much as digits as its factorization.

2036060021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780630.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2036060021 is about 45122.7217818252. The cubic root of 2036060021 is about 1267.4481217234.

Adding to 2036060021 its reverse (1200606302), we get a palindrome (3236666323).

The spelling of 2036060021 in words is "two billion, thirty-six million, sixty thousand, twenty-one".