20555153062 has 4 divisors (see below), whose sum is σ = 30832729596. Its totient is φ = 10277576530.

The previous prime is 20555153041. The next prime is 20555153089. The reversal of 20555153062 is 26035155502.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5138788264 + ... + 5138788267.

It is an arithmetic number, because the mean of its divisors is an integer number (7708182399).

Almost surely, 2^20555153062 is an apocalyptic number.

20555153062 is a deficient number, since it is larger than the sum of its proper divisors (10277576534).

20555153062 is a wasteful number, since it uses less digits than its factorization.

20555153062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10277576533.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 20555153062 in words is "twenty billion, five hundred fifty-five million, one hundred fifty-three thousand, sixty-two".