20432203202355 has 32 divisors (see below), whose sum is σ = 37362625996800. Its totient is φ = 9340215000192.

The previous prime is 20432203202303. The next prime is 20432203202381. The reversal of 20432203202355 is 55320230223402.

It is not a de Polignac number, because 20432203202355 - 2⁶ = 20432203202291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2206326 + ... + 6762564.

It is an arithmetic number, because the mean of its divisors is an integer number (1167582062400).

Almost surely, 2^{20432203202355} is an apocalyptic number.

20432203202355 is a deficient number, since it is larger than the sum of its proper divisors (16930422794445).

20432203202355 is a wasteful number, since it uses less digits than its factorization.

20432203202355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598963.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 20432203202355 its reverse (55320230223402), we get a palindrome (75752433425757).

The spelling of 20432203202355 in words is "twenty trillion, four hundred thirty-two billion, two hundred three million, two hundred two thousand, three hundred fifty-five".