36320020 has 48 divisors (see below), whose sum is σ = 87595200. Its totient is φ = 12510720.

The previous prime is 36319961. The next prime is 36320021. The reversal of 36320020 is 2002363.

It is a junction number, because it is equal to n+sod(n) for n = 36319976 and 36320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36320021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165 + ... + 8524.

It is an arithmetic number, because the mean of its divisors is an integer number (1824900).

Almost surely, 2^36320020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43797600).

36320020 is an abundant number, since it is smaller than the sum of its proper divisors (51275180).

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

36320020 is a wasteful number, since it uses less digits than its factorization.

36320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728 (or 8726 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 36320020 is about 6026.6093286358. The cubic root of 36320020 is about 331.1682499106.

Adding to 36320020 its reverse (2002363), we get a palindrome (38322383).

The spelling of 36320020 in words is "thirty-six million, three hundred twenty thousand, twenty".