4201020646 has 16 divisors (see below), whose sum is σ = 6441813504. Its totient is φ = 2053835784.

The previous prime is 4201020617. The next prime is 4201020653. The reversal of 4201020646 is 6460201024.

It is a self number, because there is not a number n which added to its sum of digits gives 4201020646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78901 + ... + 120943.

It is an arithmetic number, because the mean of its divisors is an integer number (402613344).

Almost surely, 2^4201020646 is an apocalyptic number.

4201020646 is a deficient number, since it is larger than the sum of its proper divisors (2240792858).

4201020646 is a wasteful number, since it uses less digits than its factorization.

4201020646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43155.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4201020646 is about 64815.2809605883. The cubic root of 4201020646 is about 1613.5593290499.

The spelling of 4201020646 in words is "four billion, two hundred one million, twenty thousand, six hundred forty-six".