20130455213556 has 24 divisors (see below), whose sum is σ = 47153828951040. Its totient is φ = 6684042196992.

The previous prime is 20130455213497. The next prime is 20130455213569. The reversal of 20130455213556 is 65531255403102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3263689396 + ... + 3263695563.

It is an arithmetic number, because the mean of its divisors is an integer number (1964742872960).

Almost surely, 2^{20130455213556} is an apocalyptic number.

It is an amenable number.

20130455213556 is an abundant number, since it is smaller than the sum of its proper divisors (27023373737484).

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

20130455213556 is a wasteful number, since it uses less digits than its factorization.

20130455213556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527385223 (or 6527385221 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 20130455213556 in words is "twenty trillion, one hundred thirty billion, four hundred fifty-five million, two hundred thirteen thousand, five hundred fifty-six".