2036665020 has 96 divisors (see below), whose sum is σ = 6151928832. Its totient is φ = 500467968.

The previous prime is 2036664979. The next prime is 2036665049. The reversal of 2036665020 is 205666302.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530829 + ... + 534651.

It is an arithmetic number, because the mean of its divisors is an integer number (64082592).

Almost surely, 2^2036665020 is an apocalyptic number.

2036665020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2036665020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075964416).

2036665020 is an abundant number, since it is smaller than the sum of its proper divisors (4115263812).

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

2036665020 is a wasteful number, since it uses less digits than its factorization.

2036665020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531 (or 4529 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2036665020 is about 45129.4252123822. The cubic root of 2036665020 is about 1267.5736466589.

The spelling of 2036665020 in words is "two billion, thirty-six million, six hundred sixty-five thousand, twenty".