163135020 has 96 divisors (see below), whose sum is σ = 474808320. Its totient is φ = 41806080.

The previous prime is 163135019. The next prime is 163135031. The reversal of 163135020 is 20531361.

163135020 = T₃₉₃ + T₃₉₄ + ... + T₁₀₁₂.

It is a super-2 number, since 2×163135020² = 53226069500800800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425749 + ... + 426131.

It is an arithmetic number, because the mean of its divisors is an integer number (4945920).

Almost surely, 2^163135020 is an apocalyptic number.

163135020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163135020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237404160).

163135020 is an abundant number, since it is smaller than the sum of its proper divisors (311673300).

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

163135020 is a wasteful number, since it uses less digits than its factorization.

163135020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 163135020 is about 12772.4320315279. The cubic root of 163135020 is about 546.4063445918.

Adding to 163135020 its reverse (20531361), we get a palindrome (183666381).

The spelling of 163135020 in words is "one hundred sixty-three million, one hundred thirty-five thousand, twenty".