1020038181 has 8 divisors (see below), whose sum is σ = 1370433504. Its totient is φ = 674834160.

The previous prime is 1020038179. The next prime is 1020038191. The reversal of 1020038181 is 1818300201.

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

It is not a de Polignac number, because 1020038181 - 2¹ = 1020038179 is a prime.

It is a super-2 number, since 2×1020038181² = 2080955781395577522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020038101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297366 + ... + 1298151.

It is an arithmetic number, because the mean of its divisors is an integer number (171304188).

Almost surely, 2^1020038181 is an apocalyptic number.

It is an amenable number.

1020038181 is a deficient number, since it is larger than the sum of its proper divisors (350395323).

1020038181 is a wasteful number, since it uses less digits than its factorization.

1020038181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595651.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1020038181 is about 31938.0365864904. The cubic root of 1020038181 is about 1006.6352694889.

Adding to 1020038181 its reverse (1818300201), we get a palindrome (2838338382).

The spelling of 1020038181 in words is "one billion, twenty million, thirty-eight thousand, one hundred eighty-one".