920620667 has 2 divisors, whose sum is σ = 920620668. Its totient is φ = 920620666.

The previous prime is 920620663. The next prime is 920620691. The reversal of 920620667 is 766026029.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920620667 - 2² = 920620663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920620667.

It is not a weakly prime, because it can be changed into another prime (920620663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460310333 + 460310334.

It is an arithmetic number, because the mean of its divisors is an integer number (460310334).

Almost surely, 2^920620667 is an apocalyptic number.

920620667 is a deficient number, since it is larger than the sum of its proper divisors (1).

920620667 is an equidigital number, since it uses as much as digits as its factorization.

920620667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 920620667 is about 30341.7314436734. The cubic root of 920620667 is about 972.8074921937.

The spelling of 920620667 in words is "nine hundred twenty million, six hundred twenty thousand, six hundred sixty-seven".