920215275 has 48 divisors (see below), whose sum is σ = 1781219328. Its totient is φ = 410400000.

The previous prime is 920215267. The next prime is 920215369. The reversal of 920215275 is 572512029.

It is a happy number.

It is not a de Polignac number, because 920215275 - 2³ = 920215267 is a prime.

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, 150 + ... + 42900.

It is an arithmetic number, because the mean of its divisors is an integer number (37108736).

Almost surely, 2^920215275 is an apocalyptic number.

920215275 is a deficient number, since it is larger than the sum of its proper divisors (861004053).

920215275 is a wasteful number, since it uses less digits than its factorization.

920215275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42812 (or 42807 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 920215275 is about 30335.0502719214. The cubic root of 920215275 is about 972.6646804692.

The spelling of 920215275 in words is "nine hundred twenty million, two hundred fifteen thousand, two hundred seventy-five".