20020011652 has 12 divisors (see below), whose sum is σ = 35981913100. Its totient is φ = 9739465056.

The previous prime is 20020011623. The next prime is 20020011659. The reversal of 20020011652 is 25611002002.

It can be written as a sum of positive squares in 2 ways, for example, as 15679046656 + 4340964996 = 125216^2 + 65886^2 .

It is not an unprimeable number, because it can be changed into a prime (20020011659) 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, 67635027 + ... + 67635322.

Almost surely, 2^20020011652 is an apocalyptic number.

It is an amenable number.

20020011652 is a deficient number, since it is larger than the sum of its proper divisors (15961901448).

20020011652 is a wasteful number, since it uses less digits than its factorization.

20020011652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135270390 (or 135270388 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20020011652 its reverse (25611002002), we get a palindrome (45631013654).

The spelling of 20020011652 in words is "twenty billion, twenty million, eleven thousand, six hundred fifty-two".