20377481880722 has 4 divisors (see below), whose sum is σ = 30566222821086. Its totient is φ = 10188740940360.

The previous prime is 20377481880689. The next prime is 20377481880731. The reversal of 20377481880722 is 22708818477302.

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., 10530745402321 + 9846736478401 = 3245111^2 + 3137951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5094370470179 + ... + 5094370470182.

Almost surely, 2^{20377481880722} is an apocalyptic number.

20377481880722 is a deficient number, since it is larger than the sum of its proper divisors (10188740940364).

20377481880722 is a wasteful number, since it uses less digits than its factorization.

20377481880722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188740940363.

The product of its (nonzero) digits is 16859136, while the sum is 59.

The spelling of 20377481880722 in words is "twenty trillion, three hundred seventy-seven billion, four hundred eighty-one million, eight hundred eighty thousand, seven hundred twenty-two".