20542333116 has 24 divisors (see below), whose sum is σ = 47940931584. Its totient is φ = 6846184240.

The previous prime is 20542333103. The next prime is 20542333153. The reversal of 20542333116 is 61133324502.

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, 88380 + ... + 221123.

It is an arithmetic number, because the mean of its divisors is an integer number (1997538816).

Almost surely, 2^20542333116 is an apocalyptic number.

It is an amenable number.

20542333116 is an abundant number, since it is smaller than the sum of its proper divisors (27398598468).

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

20542333116 is a wasteful number, since it uses less digits than its factorization.

20542333116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315041 (or 315039 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 20542333116 its reverse (61133324502), we get a palindrome (81675657618).

The spelling of 20542333116 in words is "twenty billion, five hundred forty-two million, three hundred thirty-three thousand, one hundred sixteen".