20071723834 has 8 divisors (see below), whose sum is σ = 30470328000. Its totient is φ = 9914947836.

The previous prime is 20071723813. The next prime is 20071723871. The reversal of 20071723834 is 43832717002.

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 = 20071723793 and 20071723802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60456834 + ... + 60457165.

It is an arithmetic number, because the mean of its divisors is an integer number (3808791000).

Almost surely, 2^20071723834 is an apocalyptic number.

20071723834 is a deficient number, since it is larger than the sum of its proper divisors (10398604166).

20071723834 is a wasteful number, since it uses less digits than its factorization.

20071723834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120914084.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 20071723834 in words is "twenty billion, seventy-one million, seven hundred twenty-three thousand, eight hundred thirty-four".