20570722334 has 8 divisors (see below), whose sum is σ = 30862150200. Its totient is φ = 10283338936.

The previous prime is 20570722261. The next prime is 20570722351. The reversal of 20570722334 is 43322707502.

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 = 20570722294 and 20570722303.

It is a congruent number.

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, 998369 + ... + 1018764.

It is an arithmetic number, because the mean of its divisors is an integer number (3857768775).

Almost surely, 2^20570722334 is an apocalyptic number.

20570722334 is a deficient number, since it is larger than the sum of its proper divisors (10291427866).

20570722334 is a wasteful number, since it uses less digits than its factorization.

20570722334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022234.

The product of its (nonzero) digits is 70560, while the sum is 35.

The spelling of 20570722334 in words is "twenty billion, five hundred seventy million, seven hundred twenty-two thousand, three hundred thirty-four".