20476434587372 has 24 divisors (see below), whose sum is σ = 35843210481456. Its totient is φ = 10235517674048.

The previous prime is 20476434587311. The next prime is 20476434587459. The reversal of 20476434587372 is 27378543467402.

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, 274456778 + ... + 274531374.

It is an arithmetic number, because the mean of its divisors is an integer number (1493467103394).

Almost surely, 2^{20476434587372} is an apocalyptic number.

It is an amenable number.

20476434587372 is a deficient number, since it is larger than the sum of its proper divisors (15366775894084).

20476434587372 is a wasteful number, since it uses less digits than its factorization.

20476434587372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91777 (or 91775 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 62.

The spelling of 20476434587372 in words is "twenty trillion, four hundred seventy-six billion, four hundred thirty-four million, five hundred eighty-seven thousand, three hundred seventy-two".