38416020 has 24 divisors (see below), whose sum is σ = 107565024. Its totient is φ = 10244256.

The previous prime is 38415989. The next prime is 38416051. The reversal of 38416020 is 2061483.

Added to its reverse (2061483) it gives a triangular number (40477503 = T₈₉₉₇).

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38415989) and next prime (38416051).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320074 + ... + 320193.

It is an arithmetic number, because the mean of its divisors is an integer number (4481876).

Almost surely, 2^38416020 is an apocalyptic number.

38416020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38416020 is an abundant number, since it is smaller than the sum of its proper divisors (69149004).

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

38416020 is a wasteful number, since it uses less digits than its factorization.

38416020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640279 (or 640277 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 38416020 is about 6198.0658273368. The cubic root of 38416020 is about 337.4199755400.

Adding to 38416020 its reverse (2061483), we get a triangular number (40477503 = T₈₉₉₇).

The spelling of 38416020 in words is "thirty-eight million, four hundred sixteen thousand, twenty".