3720020502 has 32 divisors (see below), whose sum is σ = 8124520320. Its totient is φ = 1126152320.

The previous prime is 3720020489. The next prime is 3720020503. The reversal of 3720020502 is 2050200273.

3720020502 is digitally balanced in base 2 and base 4, because in such bases 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 (3720020503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39598 + ... + 94910.

It is an arithmetic number, because the mean of its divisors is an integer number (253891260).

Almost surely, 2^3720020502 is an apocalyptic number.

3720020502 is an abundant number, since it is smaller than the sum of its proper divisors (4404499818).

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

3720020502 is a wasteful number, since it uses less digits than its factorization.

3720020502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56348.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3720020502 is about 60991.9707994421. The cubic root of 3720020502 is about 1549.4650255059.

Adding to 3720020502 its reverse (2050200273), we get a palindrome (5770220775).

The spelling of 3720020502 in words is "three billion, seven hundred twenty million, twenty thousand, five hundred two".