20001011010 has 64 divisors (see below), whose sum is σ = 50546764800. Its totient is φ = 5051097792.

The previous prime is 20001010999. The next prime is 20001011021. The reversal of 20001011010 is 1011010002.

It is an interprime number because it is at equal distance from previous prime (20001010999) and next prime (20001011021).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 20001011010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2469187 + ... + 2477273.

It is an arithmetic number, because the mean of its divisors is an integer number (789793200).

Almost surely, 2^20001011010 is an apocalyptic number.

20001011010 is an abundant number, since it is smaller than the sum of its proper divisors (30545753790).

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

20001011010 is a wasteful number, since it uses less digits than its factorization.

20001011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 20001011010 its reverse (1011010002), we get a palindrome (21012021012).

The spelling of 20001011010 in words is "twenty billion, one million, eleven thousand, ten".