20467725578612 has 24 divisors (see below), whose sum is σ = 38576468616672. Its totient is φ = 9445986712800.

The previous prime is 20467725578563. The next prime is 20467725578633. The reversal of 20467725578612 is 21687552776402.

It is a happy number.

It is a super-2 number, since 2×20467725578612² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12907214 + ... + 14405957.

It is an arithmetic number, because the mean of its divisors is an integer number (1607352859028).

Almost surely, 2^{20467725578612} is an apocalyptic number.

It is an amenable number.

20467725578612 is a deficient number, since it is larger than the sum of its proper divisors (18108743038060).

20467725578612 is a wasteful number, since it uses less digits than its factorization.

20467725578612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27327599 (or 27327597 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 62.

The spelling of 20467725578612 in words is "twenty trillion, four hundred sixty-seven billion, seven hundred twenty-five million, five hundred seventy-eight thousand, six hundred twelve".