20002111010 has 128 divisors (see below), whose sum is σ = 42796615680. Its totient is φ = 6589661184.

The previous prime is 20002111009. The next prime is 20002111021. The reversal of 20002111010 is 1011120002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74357156 + ... + 74357424.

It is an arithmetic number, because the mean of its divisors is an integer number (334348560).

Almost surely, 2^20002111010 is an apocalyptic number.

20002111010 is an abundant number, since it is smaller than the sum of its proper divisors (22794504670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002111010 is a wasteful number, since it uses less digits than its factorization.

20002111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20002111010 its reverse (1011120002), we get a palindrome (21013231012).

The spelling of 20002111010 in words is "twenty billion, two million, one hundred eleven thousand, ten".