20460526431552 has 42 divisors (see below), whose sum is σ = 58646404755978. Its totient is φ = 6820175476992.

The previous prime is 20460526431473. The next prime is 20460526431637. The reversal of 20460526431552 is 25513462506402.

20460526431552 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 0 + 5 + 2 + 64 + 31 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14755001818176 + 5705524613376 = 3841224^2 + 2388624^2 .

It is a super-2 number, since 2×20460526431552² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20460526431498 and 20460526431507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17760873063 + ... + 17760874214.

Almost surely, 2^{20460526431552} is an apocalyptic number.

It is an amenable number.

20460526431552 is an abundant number, since it is smaller than the sum of its proper divisors (38185878324426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20460526431552 is a wasteful number, since it uses less digits than its factorization.

20460526431552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35521747295 (or 35521747282 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

Adding to 20460526431552 its reverse (25513462506402), we get a palindrome (45973988937954).

The spelling of 20460526431552 in words is "twenty trillion, four hundred sixty billion, five hundred twenty-six million, four hundred thirty-one thousand, five hundred fifty-two".