20605274716 has 48 divisors (see below), whose sum is σ = 40034191680. Its totient is φ = 9218926080.

The previous prime is 20605274689. The next prime is 20605274719. The reversal of 20605274716 is 61747250602.

It is a super-2 number, since 2×20605274716² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20605274719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303945 + ... + 365503.

It is an arithmetic number, because the mean of its divisors is an integer number (834045660).

Almost surely, 2^20605274716 is an apocalyptic number.

20605274716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20605274716 is a deficient number, since it is larger than the sum of its proper divisors (19428916964).

20605274716 is a wasteful number, since it uses less digits than its factorization.

20605274716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61774 (or 61772 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 20605274716 in words is "twenty billion, six hundred five million, two hundred seventy-four thousand, seven hundred sixteen".