20222661276 has 36 divisors (see below), whose sum is σ = 51178399272. Its totient is φ = 6732974304.

The previous prime is 20222661271. The next prime is 20222661293. The reversal of 20222661276 is 67216622202.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20222661276.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298566 + ... + 359981.

It is an arithmetic number, because the mean of its divisors is an integer number (1421622202).

Almost surely, 2^20222661276 is an apocalyptic number.

It is an amenable number.

20222661276 is an abundant number, since it is smaller than the sum of its proper divisors (30955737996).

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

20222661276 is a wasteful number, since it uses less digits than its factorization.

20222661276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659410 (or 659405 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 20222661276 in words is "twenty billion, two hundred twenty-two million, six hundred sixty-one thousand, two hundred seventy-six".