20435587132 has 12 divisors (see below), whose sum is σ = 36130961440. Its totient is φ = 10112455296.

The previous prime is 20435587129. The next prime is 20435587153. The reversal of 20435587132 is 23178553402.

It is a super-2 number, since 2×20435587132² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26334132 + ... + 26334907.

Almost surely, 2^20435587132 is an apocalyptic number.

It is an amenable number.

20435587132 is a deficient number, since it is larger than the sum of its proper divisors (15695374308).

20435587132 is a wasteful number, since it uses less digits than its factorization.

20435587132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52669140 (or 52669138 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 20435587132 in words is "twenty billion, four hundred thirty-five million, five hundred eighty-seven thousand, one hundred thirty-two".