20703222678 has 8 divisors (see below), whose sum is σ = 41406445368. Its totient is φ = 6901074224.

The previous prime is 20703222671. The next prime is 20703222713. The reversal of 20703222678 is 87622230702.

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

20703222678 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20703222671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725268551 + ... + 1725268562.

It is an arithmetic number, because the mean of its divisors is an integer number (5175805671).

Almost surely, 2^20703222678 is an apocalyptic number.

20703222678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20703222678 is a wasteful number, since it uses less digits than its factorization.

20703222678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450537118.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 20703222678 in words is "twenty billion, seven hundred three million, two hundred twenty-two thousand, six hundred seventy-eight".