20770593481 has 8 divisors (see below), whose sum is σ = 23211484128. Its totient is φ = 18421812000.

The previous prime is 20770593479. The next prime is 20770593517. The reversal of 20770593481 is 18439507702.

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

It is a cyclic number.

It is not a de Polignac number, because 20770593481 - 2¹ = 20770593479 is a prime.

It is a super-2 number, since 2×20770593481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20770593461) 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, 23026815 + ... + 23027716.

It is an arithmetic number, because the mean of its divisors is an integer number (2901435516).

Almost surely, 2^20770593481 is an apocalyptic number.

It is an amenable number.

20770593481 is a deficient number, since it is larger than the sum of its proper divisors (2440890647).

20770593481 is a wasteful number, since it uses less digits than its factorization.

20770593481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46054583.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 20770593481 in words is "twenty billion, seven hundred seventy million, five hundred ninety-three thousand, four hundred eighty-one".