20253030446 has 16 divisors (see below), whose sum is σ = 33560835840. Its totient is φ = 9089391480.

The previous prime is 20253030361. The next prime is 20253030463. The reversal of 20253030446 is 64403035202.

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, 5824796 + ... + 5828271.

It is an arithmetic number, because the mean of its divisors is an integer number (2097552240).

Almost surely, 2^20253030446 is an apocalyptic number.

20253030446 is a deficient number, since it is larger than the sum of its proper divisors (13307805394).

20253030446 is a wasteful number, since it uses less digits than its factorization.

20253030446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11653159.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20253030446 its reverse (64403035202), we get a palindrome (84656065648).

The spelling of 20253030446 in words is "twenty billion, two hundred fifty-three million, thirty thousand, four hundred forty-six".