20002220524 has 48 divisors (see below), whose sum is σ = 41184460800. Its totient is φ = 8380088640.

The previous prime is 20002220521. The next prime is 20002220561. The reversal of 20002220524 is 42502220002.

It is not an unprimeable number, because it can be changed into a prime (20002220521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365077 + ... + 416275.

It is an arithmetic number, because the mean of its divisors is an integer number (858009600).

Almost surely, 2^20002220524 is an apocalyptic number.

It is an amenable number.

20002220524 is an abundant number, since it is smaller than the sum of its proper divisors (21182240276).

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

20002220524 is a wasteful number, since it uses less digits than its factorization.

20002220524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51910 (or 51908 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 20002220524 its reverse (42502220002), we get a palindrome (62504440526).

The spelling of 20002220524 in words is "twenty billion, two million, two hundred twenty thousand, five hundred twenty-four".