4644662020 has 12 divisors (see below), whose sum is σ = 9753790284. Its totient is φ = 1857864800.

The previous prime is 4644662003. The next prime is 4644662047. The reversal of 4644662020 is 202664464.

It can be written as a sum of positive squares in 2 ways, for example, as 896283844 + 3748378176 = 29938^2 + 61224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116116531 + ... + 116116570.

It is an arithmetic number, because the mean of its divisors is an integer number (812815857).

Almost surely, 2^4644662020 is an apocalyptic number.

It is an amenable number.

4644662020 is an abundant number, since it is smaller than the sum of its proper divisors (5109128264).

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

4644662020 is a wasteful number, since it uses less digits than its factorization.

4644662020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232233110 (or 232233108 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 4644662020 is about 68151.7572774173. The cubic root of 4644662020 is about 1668.4686046208.

The spelling of 4644662020 in words is "four billion, six hundred forty-four million, six hundred sixty-two thousand, twenty".