20202111134 has 48 divisors (see below), whose sum is σ = 32506596000. Its totient is φ = 9416166144.

The previous prime is 20202111079. The next prime is 20202111151. The reversal of 20202111134 is 43111120202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44993342 + ... + 44993790.

It is an arithmetic number, because the mean of its divisors is an integer number (677220750).

Almost surely, 2^20202111134 is an apocalyptic number.

20202111134 is a deficient number, since it is larger than the sum of its proper divisors (12304484866).

20202111134 is an frugal number, since it uses more digits than its factorization.

20202111134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20202111134 its reverse (43111120202), we get a palindrome (63313231336).

The spelling of 20202111134 in words is "twenty billion, two hundred two million, one hundred eleven thousand, one hundred thirty-four".