20310220432 has 40 divisors (see below), whose sum is σ = 39825649656. Its totient is φ = 10033207296.

The previous prime is 20310220429. The next prime is 20310220439. The reversal of 20310220432 is 23402201302.

It can be written as a sum of positive squares in 4 ways, for example, as 19927296 + 20290293136 = 4464^2 + 142444^2 .

It is not an unprimeable number, because it can be changed into a prime (20310220439) 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 7 ways as a sum of consecutive naturals, for example, 555418 + ... + 590854.

Almost surely, 2^20310220432 is an apocalyptic number.

It is an amenable number.

20310220432 is a deficient number, since it is larger than the sum of its proper divisors (19515429224).

20310220432 is a wasteful number, since it uses less digits than its factorization.

20310220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35875 (or 35869 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20310220432 its reverse (23402201302), we get a palindrome (43712421734).

The spelling of 20310220432 in words is "twenty billion, three hundred ten million, two hundred twenty thousand, four hundred thirty-two".