20221354524 has 24 divisors (see below), whose sum is σ = 53923612288. Its totient is φ = 5777529840.

The previous prime is 20221354493. The next prime is 20221354547. The reversal of 20221354524 is 42545312202.

It is a junction number, because it is equal to n+sod(n) for n = 20221354491 and 20221354500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120365122 + ... + 120365289.

Almost surely, 2^20221354524 is an apocalyptic number.

It is an amenable number.

20221354524 is an abundant number, since it is smaller than the sum of its proper divisors (33702257764).

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

20221354524 is a wasteful number, since it uses less digits than its factorization.

20221354524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240730425 (or 240730423 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20221354524 its reverse (42545312202), we get a palindrome (62766666726).

The spelling of 20221354524 in words is "twenty billion, two hundred twenty-one million, three hundred fifty-four thousand, five hundred twenty-four".