20554622337 has 16 divisors (see below), whose sum is σ = 27787331520. Its totient is φ = 13512575232.

The previous prime is 20554622329. The next prime is 20554622371. The reversal of 20554622337 is 73322645502.

It is not a de Polignac number, because 20554622337 - 2³ = 20554622329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20554622295 and 20554622304.

It is not an unprimeable number, because it can be changed into a prime (20554622317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2022214 + ... + 2032352.

It is an arithmetic number, because the mean of its divisors is an integer number (1736708220).

Almost surely, 2^20554622337 is an apocalyptic number.

It is an amenable number.

20554622337 is a deficient number, since it is larger than the sum of its proper divisors (7232709183).

20554622337 is a wasteful number, since it uses less digits than its factorization.

20554622337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19472.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 20554622337 in words is "twenty billion, five hundred fifty-four million, six hundred twenty-two thousand, three hundred thirty-seven".