20005105600074 has 48 divisors (see below), whose sum is σ = 46544884279488. Its totient is φ = 5715450494208.

The previous prime is 20005105600057. The next prime is 20005105600087. The reversal of 20005105600074 is 47000650150002.

It is a super-2 number, since 2×20005105600074² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4008579 + ... + 7488585.

It is an arithmetic number, because the mean of its divisors is an integer number (969685089156).

Almost surely, 2^{20005105600074} is an apocalyptic number.

20005105600074 is an abundant number, since it is smaller than the sum of its proper divisors (26539778679414).

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

20005105600074 is a wasteful number, since it uses less digits than its factorization.

20005105600074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499579 (or 3499572 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 20005105600074 its reverse (47000650150002), we get a palindrome (67005755750076).

The spelling of 20005105600074 in words is "twenty trillion, five billion, one hundred five million, six hundred thousand, seventy-four".