20012054452 has 24 divisors (see below), whose sum is σ = 39354811776. Its totient is φ = 8834752608.

The previous prime is 20012054443. The next prime is 20012054467. The reversal of 20012054452 is 25445021002.

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, 8365048 + ... + 8367439.

It is an arithmetic number, because the mean of its divisors is an integer number (1639783824).

Almost surely, 2^20012054452 is an apocalyptic number.

It is an amenable number.

20012054452 is a deficient number, since it is larger than the sum of its proper divisors (19342757324).

20012054452 is a wasteful number, since it uses less digits than its factorization.

20012054452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16732527 (or 16732525 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 20012054452 its reverse (25445021002), we get a palindrome (45457075454).

The spelling of 20012054452 in words is "twenty billion, twelve million, fifty-four thousand, four hundred fifty-two".