20005150757442 has 16 divisors (see below), whose sum is σ = 40011524828352. Its totient is φ = 6668179700240.

The previous prime is 20005150757429. The next prime is 20005150757443. The reversal of 20005150757442 is 24475705150002.

It is a junction number, because it is equal to n+sod(n) for n = 20005150757394 and 20005150757403.

It is not an unprimeable number, because it can be changed into a prime (20005150757443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50758734 + ... + 51151337.

It is an arithmetic number, because the mean of its divisors is an integer number (2500720301772).

Almost surely, 2^{20005150757442} is an apocalyptic number.

20005150757442 is an abundant number, since it is smaller than the sum of its proper divisors (20006374070910).

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

20005150757442 is a wasteful number, since it uses less digits than its factorization.

20005150757442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101942793.

The product of its (nonzero) digits is 392000, while the sum is 42.

The spelling of 20005150757442 in words is "twenty trillion, five billion, one hundred fifty million, seven hundred fifty-seven thousand, four hundred forty-two".