3642123020 has 48 divisors (see below), whose sum is σ = 7779108288. Its totient is φ = 1432166400.

The previous prime is 3642123011. The next prime is 3642123073. The reversal of 3642123020 is 203212463.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286724 + ... + 299156.

It is an arithmetic number, because the mean of its divisors is an integer number (162064756).

Almost surely, 2^3642123020 is an apocalyptic number.

It is an amenable number.

3642123020 is an abundant number, since it is smaller than the sum of its proper divisors (4136985268).

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

3642123020 is a wasteful number, since it uses less digits than its factorization.

3642123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690 (or 12688 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3642123020 is about 60350.0043082020. The cubic root of 3642123020 is about 1538.5733428324.

Adding to 3642123020 its reverse (203212463), we get a palindrome (3845335483).

The spelling of 3642123020 in words is "three billion, six hundred forty-two million, one hundred twenty-three thousand, twenty".