3696622020 has 288 divisors, whose sum is σ = 13917216768. Its totient is φ = 773369856.

The previous prime is 3696622003. The next prime is 3696622057. The reversal of 3696622020 is 202266963.

3696622020 is a `hidden beast` number, since 3 + 6 + 9 + 6 + 622 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2079372 + ... + 2081148.

Almost surely, 2^3696622020 is an apocalyptic number.

3696622020 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 3696622020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6958608384).

3696622020 is an abundant number, since it is smaller than the sum of its proper divisors (10220594748).

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

3696622020 is a wasteful number, since it uses less digits than its factorization.

3696622020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3696622020 is about 60799.8521379781. The cubic root of 3696622020 is about 1546.2095407850.

Adding to 3696622020 its reverse (202266963), we get a palindrome (3898888983).

The spelling of 3696622020 in words is "three billion, six hundred ninety-six million, six hundred twenty-two thousand, twenty".