42020363155 has 8 divisors (see below), whose sum is σ = 51279087600. Its totient is φ = 33046522656.

The previous prime is 42020363089. The next prime is 42020363183. The reversal of 42020363155 is 55136302024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42020363155 - 2¹³ = 42020354963 is a prime.

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, 71220660 + ... + 71221249.

It is an arithmetic number, because the mean of its divisors is an integer number (6409885950).

Almost surely, 2^42020363155 is an apocalyptic number.

42020363155 is a deficient number, since it is larger than the sum of its proper divisors (9258724445).

42020363155 is a wasteful number, since it uses less digits than its factorization.

42020363155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142441973.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 42020363155 its reverse (55136302024), we get a palindrome (97156665179).

The spelling of 42020363155 in words is "forty-two billion, twenty million, three hundred sixty-three thousand, one hundred fifty-five".