20321435040332 has 12 divisors (see below), whose sum is σ = 35914615393776. Its totient is φ = 10060116356400.

The previous prime is 20321435040329. The next prime is 20321435040337. The reversal of 20321435040332 is 23304053412302.

It is not an unprimeable number, because it can be changed into a prime (20321435040337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25150290488 + ... + 25150291295.

It is an arithmetic number, because the mean of its divisors is an integer number (2992884616148).

Almost surely, 2^{20321435040332} is an apocalyptic number.

It is an amenable number.

20321435040332 is a deficient number, since it is larger than the sum of its proper divisors (15593180353444).

20321435040332 is a wasteful number, since it uses less digits than its factorization.

20321435040332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50300581888 (or 50300581886 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 20321435040332 its reverse (23304053412302), we get a palindrome (43625488452634).

The spelling of 20321435040332 in words is "twenty trillion, three hundred twenty-one billion, four hundred thirty-five million, forty thousand, three hundred thirty-two".