20512026350004 has 96 divisors (see below), whose sum is σ = 54851189944320. Its totient is φ = 5844248051328.

The previous prime is 20512026350003. The next prime is 20512026350029. The reversal of 20512026350004 is 40005362021502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20512026350003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353364607 + ... + 353422649.

It is an arithmetic number, because the mean of its divisors is an integer number (571366561920).

Almost surely, 2^{20512026350004} is an apocalyptic number.

It is an amenable number.

20512026350004 is an abundant number, since it is smaller than the sum of its proper divisors (34339163594316).

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

20512026350004 is a wasteful number, since it uses less digits than its factorization.

20512026350004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69709 (or 69707 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20512026350004 its reverse (40005362021502), we get a palindrome (60517388371506).

The spelling of 20512026350004 in words is "twenty trillion, five hundred twelve billion, twenty-six million, three hundred fifty thousand, four".