20432201535042 has 32 divisors (see below), whose sum is σ = 44631005184000. Its totient is φ = 6184401725520.

The previous prime is 20432201534851. The next prime is 20432201535047. The reversal of 20432201535042 is 24053510223402.

It is a super-2 number, since 2×20432201535042² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20432201534994 and 20432201535012.

It is not an unprimeable number, because it can be changed into a prime (20432201535047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179305042 + ... + 179418957.

It is an arithmetic number, because the mean of its divisors is an integer number (1394718912000).

Almost surely, 2^{20432201535042} is an apocalyptic number.

20432201535042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20432201535042 is an abundant number, since it is smaller than the sum of its proper divisors (24198803648958).

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

20432201535042 is a wasteful number, since it uses less digits than its factorization.

20432201535042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358724878.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 20432201535042 its reverse (24053510223402), we get a palindrome (44485711758444).

The spelling of 20432201535042 in words is "twenty trillion, four hundred thirty-two billion, two hundred one million, five hundred thirty-five thousand, forty-two".