20432466546 has 16 divisors (see below), whose sum is σ = 41424727584. Its totient is φ = 6717523104.

The previous prime is 20432466541. The next prime is 20432466559. The reversal of 20432466546 is 64566423402.

It is a junction number, because it is equal to n+sod(n) for n = 20432466498 and 20432466507.

It is not an unprimeable number, because it can be changed into a prime (20432466541) 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, 23324296 + ... + 23325171.

It is an arithmetic number, because the mean of its divisors is an integer number (2589045474).

Almost surely, 2^20432466546 is an apocalyptic number.

20432466546 is an abundant number, since it is smaller than the sum of its proper divisors (20992261038).

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

20432466546 is a wasteful number, since it uses less digits than its factorization.

20432466546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46649545.

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 20432466546 its reverse (64566423402), we get a palindrome (84998889948).

The spelling of 20432466546 in words is "twenty billion, four hundred thirty-two million, four hundred sixty-six thousand, five hundred forty-six".