20273000451340 has 96 divisors (see below), whose sum is σ = 52433295917184. Its totient is φ = 6411737364480.

The previous prime is 20273000451317. The next prime is 20273000451371. The reversal of 20273000451340 is 4315400037202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065219 + ... + 6456058.

It is an arithmetic number, because the mean of its divisors is an integer number (546180165804).

Almost surely, 2^{20273000451340} is an apocalyptic number.

20273000451340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20273000451340 is an abundant number, since it is smaller than the sum of its proper divisors (32160295465844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20273000451340 is a wasteful number, since it uses less digits than its factorization.

20273000451340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522787 (or 7522785 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 20273000451340 its reverse (4315400037202), we get a palindrome (24588400488542).

The spelling of 20273000451340 in words is "twenty trillion, two hundred seventy-three billion, four hundred fifty-one thousand, three hundred forty".