38020000 has 60 divisors (see below), whose sum is σ = 93584106. Its totient is φ = 15200000.

The previous prime is 38019991. The next prime is 38020009. The reversal of 38020000 is 2083.

It is an interprime number because it is at equal distance from previous prime (38019991) and next prime (38020009).

It can be written as a sum of positive squares in 5 ways, for example, as 712336 + 37307664 = 844^2 + 6108^2 .

It is not an unprimeable number, because it can be changed into a prime (38020009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19050 + ... + 20950.

Almost surely, 2^38020000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46792053).

38020000 is an abundant number, since it is smaller than the sum of its proper divisors (55564106).

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

38020000 is an equidigital number, since it uses as much as digits as its factorization.

38020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 38020000 is about 6166.0360037872. The cubic root of 38020000 is about 336.2565123599.

Adding to 38020000 its reverse (2083), we get a palindrome (38022083).

The spelling of 38020000 in words is "thirty-eight million, twenty thousand".