20343031010 has 16 divisors (see below), whose sum is σ = 36682505856. Its totient is φ = 8122756848.

The previous prime is 20343031001. The next prime is 20343031021. The reversal of 20343031010 is 1013034302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20343031010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801034 + ... + 1812293.

It is an arithmetic number, because the mean of its divisors is an integer number (2292656616).

Almost surely, 2^20343031010 is an apocalyptic number.

20343031010 is a deficient number, since it is larger than the sum of its proper divisors (16339474846).

20343031010 is a wasteful number, since it uses less digits than its factorization.

20343031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613897.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20343031010 its reverse (1013034302), we get a palindrome (21356065312).

The spelling of 20343031010 in words is "twenty billion, three hundred forty-three million, thirty-one thousand, ten".