20080660454 has 16 divisors (see below), whose sum is σ = 31754312880. Its totient is φ = 9497489760.

The previous prime is 20080660421. The next prime is 20080660459. The reversal of 20080660454 is 45406608002.

It is a super-2 number, since 2×20080660454² (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 (20080660459) 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, 374609 + ... + 424844.

It is an arithmetic number, because the mean of its divisors is an integer number (1984644555).

Almost surely, 2^20080660454 is an apocalyptic number.

20080660454 is a deficient number, since it is larger than the sum of its proper divisors (11673652426).

20080660454 is a wasteful number, since it uses less digits than its factorization.

20080660454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800135.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 20080660454 in words is "twenty billion, eighty million, six hundred sixty thousand, four hundred fifty-four".