20120026011 has 8 divisors (see below), whose sum is σ = 26828290320. Its totient is φ = 13412556192.

The previous prime is 20120026009. The next prime is 20120026033. The reversal of 20120026011 is 11062002102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20120026011 - 2¹ = 20120026009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120026051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136780 + ... + 242793.

It is an arithmetic number, because the mean of its divisors is an integer number (3353536290).

Almost surely, 2^20120026011 is an apocalyptic number.

20120026011 is a deficient number, since it is larger than the sum of its proper divisors (6708264309).

20120026011 is a wasteful number, since it uses less digits than its factorization.

20120026011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397245.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20120026011 its reverse (11062002102), we get a palindrome (31182028113).

The spelling of 20120026011 in words is "twenty billion, one hundred twenty million, twenty-six thousand, eleven".