20031152522542 has 16 divisors (see below), whose sum is σ = 34423077345120. Its totient is φ = 8563789968768.

The previous prime is 20031152522509. The next prime is 20031152522551. The reversal of 20031152522542 is 24522525113002.

It is a junction number, because it is equal to n+sod(n) for n = 20031152522498 and 20031152522507.

It is a congruent number.

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, 1749134383 + ... + 1749145834.

It is an arithmetic number, because the mean of its divisors is an integer number (2151442334070).

Almost surely, 2^{20031152522542} is an apocalyptic number.

20031152522542 is a deficient number, since it is larger than the sum of its proper divisors (14391924822578).

20031152522542 is a wasteful number, since it uses less digits than its factorization.

20031152522542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498280635.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 20031152522542 its reverse (24522525113002), we get a palindrome (44553677635544).

The spelling of 20031152522542 in words is "twenty trillion, thirty-one billion, one hundred fifty-two million, five hundred twenty-two thousand, five hundred forty-two".