2403005020 has 24 divisors (see below), whose sum is σ = 5434488864. Its totient is φ = 887263296.

The previous prime is 2403005009. The next prime is 2403005023. The reversal of 2403005020 is 205003042.

It is a super-2 number, since 2×2403005020² = 11548866252290400800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2403004985 and 2403005003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403005023) 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, 4620904 + ... + 4621423.

It is an arithmetic number, because the mean of its divisors is an integer number (226437036).

Almost surely, 2^2403005020 is an apocalyptic number.

2403005020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403005020 is an abundant number, since it is smaller than the sum of its proper divisors (3031483844).

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

2403005020 is a wasteful number, since it uses less digits than its factorization.

2403005020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242349 (or 9242347 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2403005020 is about 49020.4551182463. The cubic root of 2403005020 is about 1339.4244613847.

Adding to 2403005020 its reverse (205003042), we get a palindrome (2608008062).

The spelling of 2403005020 in words is "two billion, four hundred three million, five thousand, twenty".