20012002010 has 128 divisors (see below), whose sum is σ = 49545312768. Its totient is φ = 5617152000.

The previous prime is 20012002001. The next prime is 20012002039. The reversal of 20012002010 is 1020021002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 386030 + ... + 434790.

It is an arithmetic number, because the mean of its divisors is an integer number (387072756).

Almost surely, 2^20012002010 is an apocalyptic number.

20012002010 is an abundant number, since it is smaller than the sum of its proper divisors (29533310758).

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

20012002010 is a wasteful number, since it uses less digits than its factorization.

20012002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48840.

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

Adding to 20012002010 its reverse (1020021002), we get a palindrome (21032023012).

The spelling of 20012002010 in words is "twenty billion, twelve million, two thousand, ten".