20222029544 has 16 divisors (see below), whose sum is σ = 37926044100. Its totient is φ = 10108417792.

The previous prime is 20222029537. The next prime is 20222029547. The reversal of 20222029544 is 44592022202.

It can be written as a sum of positive squares in 2 ways, for example, as 16093967044 + 4128062500 = 126862^2 + 64250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20222029544.

It is not an unprimeable number, because it can be changed into a prime (20222029547) 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 3 ways as a sum of consecutive naturals, for example, 291329 + ... + 354000.

Almost surely, 2^20222029544 is an apocalyptic number.

It is an amenable number.

20222029544 is a deficient number, since it is larger than the sum of its proper divisors (17704014556).

20222029544 is a wasteful number, since it uses less digits than its factorization.

20222029544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649252 (or 649248 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 20222029544 in words is "twenty billion, two hundred twenty-two million, twenty-nine thousand, five hundred forty-four".