2920155825 has 48 divisors (see below), whose sum is σ = 5089959936. Its totient is φ = 1475054400.

The previous prime is 2920155817. The next prime is 2920155839. The reversal of 2920155825 is 5285510292.

It is not a de Polignac number, because 2920155825 - 2³ = 2920155817 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95914 + ... + 122636.

It is an arithmetic number, because the mean of its divisors is an integer number (106040832).

Almost surely, 2^2920155825 is an apocalyptic number.

2920155825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2920155825 is a deficient number, since it is larger than the sum of its proper divisors (2169804111).

2920155825 is a wasteful number, since it uses less digits than its factorization.

2920155825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26814 (or 26809 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 2920155825 is about 54038.4661606896. The cubic root of 2920155825 is about 1429.3393242923.

The spelling of 2920155825 in words is "two billion, nine hundred twenty million, one hundred fifty-five thousand, eight hundred twenty-five".