20453424524 has 12 divisors (see below), whose sum is σ = 38546838624. Its totient is φ = 9440042064.

The previous prime is 20453424493. The next prime is 20453424539. The reversal of 20453424524 is 42542435402.

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, 196667492 + ... + 196667595.

It is an arithmetic number, because the mean of its divisors is an integer number (3212236552).

Almost surely, 2^20453424524 is an apocalyptic number.

It is an amenable number.

20453424524 is a deficient number, since it is larger than the sum of its proper divisors (18093414100).

20453424524 is a wasteful number, since it uses less digits than its factorization.

20453424524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393335104 (or 393335102 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 20453424524 its reverse (42542435402), we get a palindrome (62995859926).

The spelling of 20453424524 in words is "twenty billion, four hundred fifty-three million, four hundred twenty-four thousand, five hundred twenty-four".