6420536202 has 16 divisors (see below), whose sum is σ = 13516918560. Its totient is φ = 2027537712.

The previous prime is 6420536197. The next prime is 6420536219. The reversal of 6420536202 is 2026350246.

It is a self number, because there is not a number n which added to its sum of digits gives 6420536202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28160133 + ... + 28160360.

It is an arithmetic number, because the mean of its divisors is an integer number (844807410).

Almost surely, 2^6420536202 is an apocalyptic number.

6420536202 is an abundant number, since it is smaller than the sum of its proper divisors (7096382358).

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

6420536202 is a wasteful number, since it uses less digits than its factorization.

6420536202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56320517.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 6420536202 is about 80128.2484645708. The cubic root of 6420536202 is about 1858.6192591309.

Adding to 6420536202 its reverse (2026350246), we get a palindrome (8446886448).

The spelling of 6420536202 in words is "six billion, four hundred twenty million, five hundred thirty-six thousand, two hundred two".