20413333222554 has 16 divisors (see below), whose sum is σ = 41436019676448. Its totient is φ = 6702885535632.

The previous prime is 20413333222543. The next prime is 20413333222561. The reversal of 20413333222554 is 45522233331402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25389717537 + ... + 25389718340.

It is an arithmetic number, because the mean of its divisors is an integer number (2589751229778).

Almost surely, 2^{20413333222554} is an apocalyptic number.

20413333222554 is an abundant number, since it is smaller than the sum of its proper divisors (21022686453894).

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

20413333222554 is a wasteful number, since it uses less digits than its factorization.

20413333222554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50779435949.

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 20413333222554 its reverse (45522233331402), we get a palindrome (65935566553956).

The spelling of 20413333222554 in words is "twenty trillion, four hundred thirteen billion, three hundred thirty-three million, two hundred twenty-two thousand, five hundred fifty-four".