20452356734 has 8 divisors (see below), whose sum is σ = 30862239408. Its totient is φ = 10164943600.

The previous prime is 20452356731. The next prime is 20452356767. The reversal of 20452356734 is 43765325402.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20452356691 and 20452356700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452356731) 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, 30616967 + ... + 30617634.

It is an arithmetic number, because the mean of its divisors is an integer number (3857779926).

Almost surely, 2^20452356734 is an apocalyptic number.

20452356734 is a deficient number, since it is larger than the sum of its proper divisors (10409882674).

20452356734 is a wasteful number, since it uses less digits than its factorization.

20452356734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61234770.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 20452356734 in words is "twenty billion, four hundred fifty-two million, three hundred fifty-six thousand, seven hundred thirty-four".