20223406490 has 16 divisors (see below), whose sum is σ = 41602436352. Its totient is φ = 6933739344.

The previous prime is 20223406457. The next prime is 20223406537. The reversal of 20223406490 is 9460432202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144452834 + ... + 144452973.

It is an arithmetic number, because the mean of its divisors is an integer number (2600152272).

Almost surely, 2^20223406490 is an apocalyptic number.

20223406490 is an abundant number, since it is smaller than the sum of its proper divisors (21379029862).

20223406490 is a wasteful number, since it uses less digits than its factorization.

20223406490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288905821.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 20223406490 its reverse (9460432202), we get a palindrome (29683838692).

The spelling of 20223406490 in words is "twenty billion, two hundred twenty-three million, four hundred six thousand, four hundred ninety".