20201542140302 has 4 divisors (see below), whose sum is σ = 30302313210456. Its totient is φ = 10100771070150.

The previous prime is 20201542140271. The next prime is 20201542140349. The reversal of 20201542140302 is 20304124510202.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20201542140302² (a number of 27 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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050385535074 + ... + 5050385535077.

It is an arithmetic number, because the mean of its divisors is an integer number (7575578302614).

Almost surely, 2^{20201542140302} is an apocalyptic number.

20201542140302 is a deficient number, since it is larger than the sum of its proper divisors (10100771070154).

20201542140302 is a wasteful number, since it uses less digits than its factorization.

20201542140302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100771070153.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20201542140302 its reverse (20304124510202), we get a palindrome (40505666650504).

The spelling of 20201542140302 in words is "twenty trillion, two hundred one billion, five hundred forty-two million, one hundred forty thousand, three hundred two".