20065470432654 has 16 divisors (see below), whose sum is σ = 40131511517520. Its totient is φ = 6688395035520.

The previous prime is 20065470432647. The next prime is 20065470432659. The reversal of 20065470432654 is 45623407456002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065470432659) 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, 23319387 + ... + 24164534.

It is an arithmetic number, because the mean of its divisors is an integer number (2508219469845).

Almost surely, 2^{20065470432654} is an apocalyptic number.

20065470432654 is an abundant number, since it is smaller than the sum of its proper divisors (20066041084866).

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

20065470432654 is a wasteful number, since it uses less digits than its factorization.

20065470432654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47554355.

The product of its (nonzero) digits is 4838400, while the sum is 48.

Adding to 20065470432654 its reverse (45623407456002), we get a palindrome (65688877888656).

The spelling of 20065470432654 in words is "twenty trillion, sixty-five billion, four hundred seventy million, four hundred thirty-two thousand, six hundred fifty-four".