3633122020 has 96 divisors (see below), whose sum is σ = 8883302400. Its totient is φ = 1233469440.

The previous prime is 3633122011. The next prime is 3633122029. The reversal of 3633122020 is 202213363.

It is an interprime number because it is at equal distance from previous prime (3633122011) and next prime (3633122029).

It is a super-2 number, since 2×3633122020² = 26399151224417760800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3633121982 and 3633122000.

It is not an unprimeable number, because it can be changed into a prime (3633122029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471156 + ... + 478804.

It is an arithmetic number, because the mean of its divisors is an integer number (92534400).

Almost surely, 2^3633122020 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 3633122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4441651200).

3633122020 is an abundant number, since it is smaller than the sum of its proper divisors (5250180380).

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

3633122020 is a wasteful number, since it uses less digits than its factorization.

3633122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813 (or 7811 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3633122020 is about 60275.3848598248. The cubic root of 3633122020 is about 1537.3048406750.

Adding to 3633122020 its reverse (202213363), we get a palindrome (3835335383).

The spelling of 3633122020 in words is "three billion, six hundred thirty-three million, one hundred twenty-two thousand, twenty".