920638061 has 8 divisors (see below), whose sum is σ = 1055543424. Its totient is φ = 786579120.

The previous prime is 920638049. The next prime is 920638073. The reversal of 920638061 is 160836029.

It is an interprime number because it is at equal distance from previous prime (920638049) and next prime (920638073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 920638061 - 2¹⁰ = 920637037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920638261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209270 + ... + 213623.

It is an arithmetic number, because the mean of its divisors is an integer number (131942928).

Almost surely, 2^920638061 is an apocalyptic number.

It is an amenable number.

920638061 is a deficient number, since it is larger than the sum of its proper divisors (134905363).

920638061 is a wasteful number, since it uses less digits than its factorization.

920638061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423211.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 920638061 is about 30342.0180772473. The cubic root of 920638061 is about 972.8136188238.

The spelling of 920638061 in words is "nine hundred twenty million, six hundred thirty-eight thousand, sixty-one".