40103020 has 12 divisors (see below), whose sum is σ = 84216384. Its totient is φ = 16041200.

The previous prime is 40103009. The next prime is 40103039. The reversal of 40103020 is 2030104.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 40102988 and 40103006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002556 + ... + 1002595.

It is an arithmetic number, because the mean of its divisors is an integer number (7018032).

Almost surely, 2^40103020 is an apocalyptic number.

It is an amenable number.

40103020 is an abundant number, since it is smaller than the sum of its proper divisors (44113364).

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

40103020 is a wasteful number, since it uses less digits than its factorization.

40103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005160 (or 2005158 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40103020 is about 6332.6945291874. The cubic root of 40103020 is about 342.2885405074.

Adding to 40103020 its reverse (2030104), we get a palindrome (42133124).

The spelling of 40103020 in words is "forty million, one hundred three thousand, twenty".