20545455052230 has 64 divisors (see below), whose sum is σ = 49353847881408. Its totient is φ = 5473816240640.

The previous prime is 20545455052139. The next prime is 20545455052249. The reversal of 20545455052230 is 3225055454502.

It is a congruent 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, 357825004 + ... + 357882416.

It is an arithmetic number, because the mean of its divisors is an integer number (771153873147).

Almost surely, 2^{20545455052230} is an apocalyptic number.

20545455052230 is an abundant number, since it is smaller than the sum of its proper divisors (28808392829178).

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

20545455052230 is a wasteful number, since it uses less digits than its factorization.

20545455052230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68041.

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 20545455052230 in words is "twenty trillion, five hundred forty-five billion, four hundred fifty-five million, fifty-two thousand, two hundred thirty".