20052214004540 has 48 divisors (see below), whose sum is σ = 42272881045920. Its totient is φ = 7989850767360.

The previous prime is 20052214004509. The next prime is 20052214004629. The reversal of 20052214004540 is 4540041225002.

It is a super-2 number, since 2×20052214004540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861980 + ... + 7417500.

It is an arithmetic number, because the mean of its divisors is an integer number (880685021790).

Almost surely, 2^{20052214004540} is an apocalyptic number.

20052214004540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20052214004540 is an abundant number, since it is smaller than the sum of its proper divisors (22220667041380).

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

20052214004540 is a wasteful number, since it uses less digits than its factorization.

20052214004540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556622 (or 3556620 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 20052214004540 its reverse (4540041225002), we get a palindrome (24592255229542).

The spelling of 20052214004540 in words is "twenty trillion, fifty-two billion, two hundred fourteen million, four thousand, five hundred forty".