36820620 has 72 divisors (see below), whose sum is σ = 112205184. Its totient is φ = 9773568.

The previous prime is 36820607. The next prime is 36820621. The reversal of 36820620 is 2602863.

36820620 is a `hidden beast` number, since 36 + 8 + 2 + 0 + 620 = 666.

It is not an unprimeable number, because it can be changed into a prime (36820621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60357 + ... + 60963.

Almost surely, 2^36820620 is an apocalyptic number.

36820620 is a gapful number since it is divisible by the number (30) 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 36820620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56102592).

36820620 is an abundant number, since it is smaller than the sum of its proper divisors (75384564).

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

36820620 is a wasteful number, since it uses less digits than its factorization.

36820620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 36820620 is about 6067.9996704021. Note that the first 3 decimals coincide. The cubic root of 36820620 is about 332.6828135200.

The spelling of 36820620 in words is "thirty-six million, eight hundred twenty thousand, six hundred twenty".