20727331436122 has 4 divisors (see below), whose sum is σ = 31090997154186. Its totient is φ = 10363665718060.

The previous prime is 20727331436101. The next prime is 20727331436261. The reversal of 20727331436122 is 22163413372702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13595819937001 + 7131511499121 = 3687251^2 + 2670489^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5181832859029 + ... + 5181832859032.

Almost surely, 2^{20727331436122} is an apocalyptic number.

20727331436122 is a deficient number, since it is larger than the sum of its proper divisors (10363665718064).

20727331436122 is a wasteful number, since it uses less digits than its factorization.

20727331436122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363665718063.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 20727331436122 in words is "twenty trillion, seven hundred twenty-seven billion, three hundred thirty-one million, four hundred thirty-six thousand, one hundred twenty-two".