20132263546 has 32 divisors (see below), whose sum is σ = 30628685520. Its totient is φ = 9924096000.

The previous prime is 20132263519. The next prime is 20132263559. The reversal of 20132263546 is 64536223102.

It can be written as a sum of positive squares in 8 ways, for example, as 12891104521 + 7241159025 = 113539^2 + 85095^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35381550 + ... + 35382118.

Almost surely, 2^20132263546 is an apocalyptic number.

20132263546 is a deficient number, since it is larger than the sum of its proper divisors (10496421974).

20132263546 is a wasteful number, since it uses less digits than its factorization.

20132263546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 20132263546 its reverse (64536223102), we get a palindrome (84668486648).

The spelling of 20132263546 in words is "twenty billion, one hundred thirty-two million, two hundred sixty-three thousand, five hundred forty-six".