20020231330 has 16 divisors (see below), whose sum is σ = 39312454464. Its totient is φ = 7280084080.

The previous prime is 20020231267. The next prime is 20020231331. The reversal of 20020231330 is 3313202002.

It is not an unprimeable number, because it can be changed into a prime (20020231331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91000942 + ... + 91001161.

It is an arithmetic number, because the mean of its divisors is an integer number (2457028404).

Almost surely, 2^20020231330 is an apocalyptic number.

20020231330 is a deficient number, since it is larger than the sum of its proper divisors (19292223134).

20020231330 is a wasteful number, since it uses less digits than its factorization.

20020231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182002121.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20020231330 its reverse (3313202002), we get a palindrome (23333433332).

The spelling of 20020231330 in words is "twenty billion, twenty million, two hundred thirty-one thousand, three hundred thirty".