20011048870 has 16 divisors (see below), whose sum is σ = 36249316848. Its totient is φ = 7953435360.

The previous prime is 20011048831. The next prime is 20011048913. The reversal of 20011048870 is 7884011002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6371376 + ... + 6374515.

It is an arithmetic number, because the mean of its divisors is an integer number (2265582303).

Almost surely, 2^20011048870 is an apocalyptic number.

20011048870 is a deficient number, since it is larger than the sum of its proper divisors (16238267978).

20011048870 is a wasteful number, since it uses less digits than its factorization.

20011048870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12746055.

The product of its (nonzero) digits is 3584, while the sum is 31.

Adding to 20011048870 its reverse (7884011002), we get a palindrome (27895059872).

The spelling of 20011048870 in words is "twenty billion, eleven million, forty-eight thousand, eight hundred seventy".