20067561037442 has 16 divisors (see below), whose sum is σ = 30286096733472. Its totient is φ = 9972294393600.

The previous prime is 20067561037439. The next prime is 20067561037451. The reversal of 20067561037442 is 24473016576002.

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, 24327188 + ... + 25138559.

It is an arithmetic number, because the mean of its divisors is an integer number (1892881045842).

Almost surely, 2^{20067561037442} is an apocalyptic number.

20067561037442 is a deficient number, since it is larger than the sum of its proper divisors (10218535696030).

20067561037442 is a wasteful number, since it uses less digits than its factorization.

20067561037442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49466993.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 20067561037442 in words is "twenty trillion, sixty-seven billion, five hundred sixty-one million, thirty-seven thousand, four hundred forty-two".