20079407734 has 4 divisors (see below), whose sum is σ = 30119111604. Its totient is φ = 10039703866.

The previous prime is 20079407731. The next prime is 20079407737. The reversal of 20079407734 is 43770497002.

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

It is an interprime number because it is at equal distance from previous prime (20079407731) and next prime (20079407737).

It is a super-2 number, since 2×20079407734² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20079407731) by changing a digit.

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, 5019851932 + ... + 5019851935.

It is an arithmetic number, because the mean of its divisors is an integer number (7529777901).

Almost surely, 2^20079407734 is an apocalyptic number.

20079407734 is a deficient number, since it is larger than the sum of its proper divisors (10039703870).

20079407734 is a wasteful number, since it uses less digits than its factorization.

20079407734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039703869.

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 20079407734 in words is "twenty billion, seventy-nine million, four hundred seven thousand, seven hundred thirty-four".