2104515420 has 48 divisors (see below), whose sum is σ = 6734450688. Its totient is φ = 481032000.

The previous prime is 2104515409. The next prime is 2104515431. The reversal of 2104515420 is 245154012.

It is an interprime number because it is at equal distance from previous prime (2104515409) and next prime (2104515431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2504956 + ... + 2505795.

It is an arithmetic number, because the mean of its divisors is an integer number (140301056).

Almost surely, 2^2104515420 is an apocalyptic number.

2104515420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104515420 is an abundant number, since it is smaller than the sum of its proper divisors (4629935268).

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

2104515420 is a wasteful number, since it uses less digits than its factorization.

2104515420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010770 (or 5010768 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2104515420 is about 45874.9977656675. The cubic root of 2104515420 is about 1281.4963417037.

Adding to 2104515420 its reverse (245154012), we get a palindrome (2349669432).

The spelling of 2104515420 in words is "two billion, one hundred four million, five hundred fifteen thousand, four hundred twenty".