20533141340 has 12 divisors (see below), whose sum is σ = 43119596856. Its totient is φ = 8213256528.

The previous prime is 20533141339. The next prime is 20533141351. The reversal of 20533141340 is 4314133502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513328514 + ... + 513328553.

It is an arithmetic number, because the mean of its divisors is an integer number (3593299738).

Almost surely, 2^20533141340 is an apocalyptic number.

20533141340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20533141340 is an abundant number, since it is smaller than the sum of its proper divisors (22586455516).

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

20533141340 is a wasteful number, since it uses less digits than its factorization.

20533141340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026657076 (or 1026657074 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20533141340 its reverse (4314133502), we get a palindrome (24847274842).

The spelling of 20533141340 in words is "twenty billion, five hundred thirty-three million, one hundred forty-one thousand, three hundred forty".