20003311010 has 16 divisors (see below), whose sum is σ = 36008782200. Its totient is φ = 8000697216.

The previous prime is 20003310989. The next prime is 20003311021. The reversal of 20003311010 is 1011330002.

It can be written as a sum of positive squares in 4 ways, for example, as 19510781761 + 492529249 = 139681^2 + 22193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20003310982 and 20003311000.

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, 68696 + ... + 211484.

Almost surely, 2^20003311010 is an apocalyptic number.

20003311010 is a deficient number, since it is larger than the sum of its proper divisors (16005471190).

20003311010 is a wasteful number, since it uses less digits than its factorization.

20003311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156805.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20003311010 its reverse (1011330002), we get a palindrome (21014641012).

The spelling of 20003311010 in words is "twenty billion, three million, three hundred eleven thousand, ten".