20751147334 has 8 divisors (see below), whose sum is σ = 31127966208. Its totient is φ = 10375158600.

The previous prime is 20751147311. The next prime is 20751147337. The reversal of 20751147334 is 43374115702.

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

It is a super-2 number, since 2×20751147334² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20751147293 and 20751147302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20751147337) 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, 140742 + ... + 247609.

It is an arithmetic number, because the mean of its divisors is an integer number (3890995776).

Almost surely, 2^20751147334 is an apocalyptic number.

20751147334 is a deficient number, since it is larger than the sum of its proper divisors (10376818874).

20751147334 is a wasteful number, since it uses less digits than its factorization.

20751147334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415070.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 20751147334 in words is "twenty billion, seven hundred fifty-one million, one hundred forty-seven thousand, three hundred thirty-four".