20130211064 has 16 divisors (see below), whose sum is σ = 39385195920. Its totient is φ = 9627492160.

The previous prime is 20130211063. The next prime is 20130211069. The reversal of 20130211064 is 46011203102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130211063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54701477 + ... + 54701844.

It is an arithmetic number, because the mean of its divisors is an integer number (2461574745).

Almost surely, 2^20130211064 is an apocalyptic number.

It is an amenable number.

20130211064 is a deficient number, since it is larger than the sum of its proper divisors (19254984856).

20130211064 is a wasteful number, since it uses less digits than its factorization.

20130211064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109403350 (or 109403346 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20130211064 its reverse (46011203102), we get a palindrome (66141414166).

The spelling of 20130211064 in words is "twenty billion, one hundred thirty million, two hundred eleven thousand, sixty-four".