20551094734 has 8 divisors (see below), whose sum is σ = 32166930960. Its totient is φ = 9828784416.

The previous prime is 20551094717. The next prime is 20551094737. The reversal of 20551094734 is 43749015502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20551094737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223381419 + ... + 223381510.

It is an arithmetic number, because the mean of its divisors is an integer number (4020866370).

Almost surely, 2^20551094734 is an apocalyptic number.

20551094734 is a deficient number, since it is larger than the sum of its proper divisors (11615836226).

20551094734 is a wasteful number, since it uses less digits than its factorization.

20551094734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446762954.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 20551094734 in words is "twenty billion, five hundred fifty-one million, ninety-four thousand, seven hundred thirty-four".