3146525220 has 24 divisors (see below), whose sum is σ = 8810270784. Its totient is φ = 839073376.

The previous prime is 3146525219. The next prime is 3146525233. The reversal of 3146525220 is 225256413.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26220984 + ... + 26221103.

It is an arithmetic number, because the mean of its divisors is an integer number (367094616).

Almost surely, 2^3146525220 is an apocalyptic number.

3146525220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3146525220 is an abundant number, since it is smaller than the sum of its proper divisors (5663745564).

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

3146525220 is a wasteful number, since it uses less digits than its factorization.

3146525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52442099 (or 52442097 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 3146525220 is about 56093.8964594188. The cubic root of 3146525220 is about 1465.3579978303.

The spelling of 3146525220 in words is "three billion, one hundred forty-six million, five hundred twenty-five thousand, two hundred twenty".