36020661 has 4 divisors (see below), whose sum is σ = 48027552. Its totient is φ = 24013772.

The previous prime is 36020653. The next prime is 36020681. The reversal of 36020661 is 16602063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36020661 - 2³ = 36020653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36020641) 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, 6003441 + ... + 6003446.

It is an arithmetic number, because the mean of its divisors is an integer number (12006888).

Almost surely, 2^36020661 is an apocalyptic number.

It is an amenable number.

36020661 is a deficient number, since it is larger than the sum of its proper divisors (12006891).

36020661 is a wasteful number, since it uses less digits than its factorization.

36020661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12006890.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 36020661 is about 6001.7215030356. The cubic root of 36020661 is about 330.2558805117.

The spelling of 36020661 in words is "thirty-six million, twenty thousand, six hundred sixty-one".