20670521722 has 8 divisors (see below), whose sum is σ = 31295556576. Its totient is φ = 10238669532.

The previous prime is 20670521689. The next prime is 20670521761. The reversal of 20670521722 is 22712507602.

It is a happy number.

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

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, 48295398 + ... + 48295825.

It is an arithmetic number, because the mean of its divisors is an integer number (3911944572).

Almost surely, 2^20670521722 is an apocalyptic number.

20670521722 is a deficient number, since it is larger than the sum of its proper divisors (10625034854).

20670521722 is a wasteful number, since it uses less digits than its factorization.

20670521722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96591332.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 20670521722 in words is "twenty billion, six hundred seventy million, five hundred twenty-one thousand, seven hundred twenty-two".