38052420 has 144 divisors (see below), whose sum is σ = 127209600. Its totient is φ = 8495424.

The previous prime is 38052403. The next prime is 38052431. The reversal of 38052420 is 2425083.

Added to its reverse (2425083) it gives a triangular number (40477503 = T₈₉₉₇).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 884919 + ... + 884961.

It is an arithmetic number, because the mean of its divisors is an integer number (883400).

Almost surely, 2^38052420 is an apocalyptic number.

38052420 is a gapful number since it is divisible by the number (30) 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 38052420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63604800).

38052420 is an abundant number, since it is smaller than the sum of its proper divisors (89157180).

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

38052420 is a wasteful number, since it uses less digits than its factorization.

38052420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 38052420 is about 6168.6643611077. The cubic root of 38052420 is about 336.3520615359.

Adding to 38052420 its reverse (2425083), we get a triangular number (40477503 = T₈₉₉₇).

The spelling of 38052420 in words is "thirty-eight million, fifty-two thousand, four hundred twenty".