2002053656 has 16 divisors (see below), whose sum is σ = 3874943040. Its totient is φ = 968735520.

The previous prime is 2002053623. The next prime is 2002053661. The reversal of 2002053656 is 6563502002.

It is a happy number.

It is a congruent number.

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, 4036151 + ... + 4036646.

It is an arithmetic number, because the mean of its divisors is an integer number (242183940).

Almost surely, 2^2002053656 is an apocalyptic number.

It is an amenable number.

2002053656 is a deficient number, since it is larger than the sum of its proper divisors (1872889384).

2002053656 is a wasteful number, since it uses less digits than its factorization.

2002053656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072834 (or 8072830 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2002053656 is about 44744.3142309724. The cubic root of 2002053656 is about 1260.3521431129.

Adding to 2002053656 its reverse (6563502002), we get a palindrome (8565555658).

The spelling of 2002053656 in words is "two billion, two million, fifty-three thousand, six hundred fifty-six".