20723222527 has 8 divisors (see below), whose sum is σ = 23789889536. Its totient is φ = 17683107192.

The previous prime is 20723222503. The next prime is 20723222561. The reversal of 20723222527 is 72522232702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20723222527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20723222492 and 20723222501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20723322527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6636243 + ... + 6639364.

It is an arithmetic number, because the mean of its divisors is an integer number (2973736192).

Almost surely, 2^20723222527 is an apocalyptic number.

20723222527 is a deficient number, since it is larger than the sum of its proper divisors (3066667009).

20723222527 is a wasteful number, since it uses less digits than its factorization.

20723222527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13275837.

The product of its (nonzero) digits is 47040, while the sum is 34.

The spelling of 20723222527 in words is "twenty billion, seven hundred twenty-three million, two hundred twenty-two thousand, five hundred twenty-seven".