2054520215 has 16 divisors (see below), whose sum is σ = 2723604480. Its totient is φ = 1475279520.

The previous prime is 2054520203. The next prime is 2054520229. The reversal of 2054520215 is 5120254502.

It is not a de Polignac number, because 2054520215 - 2⁶ = 2054520151 is a prime.

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, 232079 + ... + 240768.

It is an arithmetic number, because the mean of its divisors is an integer number (170225280).

Almost surely, 2^2054520215 is an apocalyptic number.

2054520215 is a deficient number, since it is larger than the sum of its proper divisors (669084265).

2054520215 is a wasteful number, since it uses less digits than its factorization.

2054520215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472942.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2054520215 is about 45326.8156282790. The cubic root of 2054520215 is about 1271.2670956849.

Adding to 2054520215 its reverse (5120254502), we get a palindrome (7174774717).

The spelling of 2054520215 in words is "two billion, fifty-four million, five hundred twenty thousand, two hundred fifteen".