20351013603532 has 24 divisors (see below), whose sum is σ = 36533656031040. Its totient is φ = 9913516525440.

The previous prime is 20351013603509. The next prime is 20351013603541. The reversal of 20351013603532 is 23530631015302.

It is a super-2 number, since 2×20351013603532² (a number of 27 digits) contains 22 as substring.

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, 86176623 + ... + 86412454.

It is an arithmetic number, because the mean of its divisors is an integer number (1522235667960).

Almost surely, 2^{20351013603532} is an apocalyptic number.

It is an amenable number.

20351013603532 is a deficient number, since it is larger than the sum of its proper divisors (16182642427508).

20351013603532 is a wasteful number, since it uses less digits than its factorization.

20351013603532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172589841 (or 172589839 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 20351013603532 its reverse (23530631015302), we get a palindrome (43881644618834).

The spelling of 20351013603532 in words is "twenty trillion, three hundred fifty-one billion, thirteen million, six hundred three thousand, five hundred thirty-two".