20555531422 has 8 divisors (see below), whose sum is σ = 30848105736. Its totient is φ = 10272829512.

The previous prime is 20555531393. The next prime is 20555531431. The reversal of 20555531422 is 22413555502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462893 + ... + 2471224.

It is an arithmetic number, because the mean of its divisors is an integer number (3856013217).

Almost surely, 2^20555531422 is an apocalyptic number.

20555531422 is a deficient number, since it is larger than the sum of its proper divisors (10292574314).

20555531422 is a wasteful number, since it uses less digits than its factorization.

20555531422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936202.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 20555531422 in words is "twenty billion, five hundred fifty-five million, five hundred thirty-one thousand, four hundred twenty-two".