20573361557334 has 12 divisors (see below), whose sum is σ = 44575616707596. Its totient is φ = 6857787185772.

The previous prime is 20573361557291. The next prime is 20573361557351. The reversal of 20573361557334 is 43375516337502.

20573361557334 is a `hidden beast` number, since 2 + 0 + 5 + 7 + 3 + 3 + 61 + 5 + 573 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571482265464 + ... + 571482265499.

It is an arithmetic number, because the mean of its divisors is an integer number (3714634725633).

Almost surely, 2^{20573361557334} is an apocalyptic number.

20573361557334 is an abundant number, since it is smaller than the sum of its proper divisors (24002255150262).

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

20573361557334 is a wasteful number, since it uses less digits than its factorization.

20573361557334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142964530971 (or 1142964530968 counting only the distinct ones).

The product of its (nonzero) digits is 23814000, while the sum is 54.

The spelling of 20573361557334 in words is "twenty trillion, five hundred seventy-three billion, three hundred sixty-one million, five hundred fifty-seven thousand, three hundred thirty-four".