20222661277 has 24 divisors (see below), whose sum is σ = 25377510816. Its totient is φ = 15972794208.

The previous prime is 20222661271. The next prime is 20222661293. The reversal of 20222661277 is 77216622202.

It is not a de Polignac number, because 20222661277 - 2¹¹ = 20222659229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222661271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346878 + ... + 400960.

It is an arithmetic number, because the mean of its divisors is an integer number (1057396284).

Almost surely, 2^20222661277 is an apocalyptic number.

It is an amenable number.

20222661277 is a deficient number, since it is larger than the sum of its proper divisors (5154849539).

20222661277 is a wasteful number, since it uses less digits than its factorization.

20222661277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54697 (or 54690 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 20222661277 in words is "twenty billion, two hundred twenty-two million, six hundred sixty-one thousand, two hundred seventy-seven".