20352253244 has 12 divisors (see below), whose sum is σ = 36844596600. Its totient is φ = 9825225648.

The previous prime is 20352253231. The next prime is 20352253253. The reversal of 20352253244 is 44235225302.

It is a self number, because there is not a number n which added to its sum of digits gives 20352253244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87725114 + ... + 87725345.

It is an arithmetic number, because the mean of its divisors is an integer number (3070383050).

Almost surely, 2^20352253244 is an apocalyptic number.

It is an amenable number.

20352253244 is a deficient number, since it is larger than the sum of its proper divisors (16492343356).

20352253244 is a wasteful number, since it uses less digits than its factorization.

20352253244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175450492 (or 175450490 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 20352253244 its reverse (44235225302), we get a palindrome (64587478546).

The spelling of 20352253244 in words is "twenty billion, three hundred fifty-two million, two hundred fifty-three thousand, two hundred forty-four".