920197650 has 24 divisors (see below), whose sum is σ = 2282090544. Its totient is φ = 245386000.

The previous prime is 920197613. The next prime is 920197657. The reversal of 920197650 is 56791029.

It is a junction number, because it is equal to n+sod(n) for n = 920197599 and 920197608.

It is not an unprimeable number, because it can be changed into a prime (920197657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3067176 + ... + 3067475.

It is an arithmetic number, because the mean of its divisors is an integer number (95087106).

Almost surely, 2^920197650 is an apocalyptic number.

920197650 is an abundant number, since it is smaller than the sum of its proper divisors (1361892894).

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

920197650 is a wasteful number, since it uses less digits than its factorization.

920197650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134666 (or 6134661 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 920197650 is about 30334.7597649957. The cubic root of 920197650 is about 972.6584705728.

The spelling of 920197650 in words is "nine hundred twenty million, one hundred ninety-seven thousand, six hundred fifty".