20201231002 has 8 divisors (see below), whose sum is σ = 32084308116. Its totient is φ = 9506461632.

The previous prime is 20201230921. The next prime is 20201231009. The reversal of 20201231002 is 20013210202.

It can be written as a sum of positive squares in 2 ways, for example, as 20187010561 + 14220441 = 142081^2 + 3771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20201231009) 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, 297076893 + ... + 297076960.

Almost surely, 2^20201231002 is an apocalyptic number.

20201231002 is a deficient number, since it is larger than the sum of its proper divisors (11883077114).

20201231002 is a wasteful number, since it uses less digits than its factorization.

20201231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594153872.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20201231002 its reverse (20013210202), we get a palindrome (40214441204).

The spelling of 20201231002 in words is "twenty billion, two hundred one million, two hundred thirty-one thousand, two".