20122555741477 has 8 divisors (see below), whose sum is σ = 22997275448000. Its totient is φ = 17247853256544.

The previous prime is 20122555741429. The next prime is 20122555741513. The reversal of 20122555741477 is 77414755522102.

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

It is a cyclic number.

It is not a de Polignac number, because 20122555741477 - 2⁷ = 20122555741349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122555741877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696152 + ... + 6566737.

It is an arithmetic number, because the mean of its divisors is an integer number (2874659431000).

Almost surely, 2^{20122555741477} is an apocalyptic number.

It is an amenable number.

20122555741477 is a deficient number, since it is larger than the sum of its proper divisors (2874719706523).

20122555741477 is an equidigital number, since it uses as much as digits as its factorization.

20122555741477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610795.

The product of its (nonzero) digits is 5488000, while the sum is 52.

The spelling of 20122555741477 in words is "twenty trillion, one hundred twenty-two billion, five hundred fifty-five million, seven hundred forty-one thousand, four hundred seventy-seven".