3720020536 has 16 divisors (see below), whose sum is σ = 6978842640. Its totient is φ = 1858995840.

The previous prime is 3720020503. The next prime is 3720020539. The reversal of 3720020536 is 6350200273.

3720020536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720020539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111105 + ... + 140656.

It is an arithmetic number, because the mean of its divisors is an integer number (436177665).

Almost surely, 2^3720020536 is an apocalyptic number.

It is an amenable number.

3720020536 is a deficient number, since it is larger than the sum of its proper divisors (3258822104).

3720020536 is a wasteful number, since it uses less digits than its factorization.

3720020536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253614 (or 253610 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3720020536 is about 60991.9710781673. The cubic root of 3720020536 is about 1549.4650302265.

The spelling of 3720020536 in words is "three billion, seven hundred twenty million, twenty thousand, five hundred thirty-six".