20115335054 has 4 divisors (see below), whose sum is σ = 30173002584. Its totient is φ = 10057667526.

The previous prime is 20115335029. The next prime is 20115335069. The reversal of 20115335054 is 45053351102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028833762 + ... + 5028833765.

It is an arithmetic number, because the mean of its divisors is an integer number (7543250646).

Almost surely, 2^20115335054 is an apocalyptic number.

20115335054 is a deficient number, since it is larger than the sum of its proper divisors (10057667530).

20115335054 is a wasteful number, since it uses less digits than its factorization.

20115335054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057667529.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 20115335054 its reverse (45053351102), we get a palindrome (65168686156).

The spelling of 20115335054 in words is "twenty billion, one hundred fifteen million, three hundred thirty-five thousand, fifty-four".