920088990001001 has 32 divisors (see below), whose sum is σ = 953920148848128. Its totient is φ = 886887960929280.

The previous prime is 920088990000881. The next prime is 920088990001007. The reversal of 920088990001001 is 100100099880029.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920088990001001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (920088990001007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19416461630 + ... + 19416509016.

It is an arithmetic number, because the mean of its divisors is an integer number (29810004651504).

Almost surely, 2^{920088990001001} is an apocalyptic number.

It is an amenable number.

920088990001001 is a deficient number, since it is larger than the sum of its proper divisors (33831158847127).

920088990001001 is a wasteful number, since it uses less digits than its factorization.

920088990001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55601.

The product of its (nonzero) digits is 93312, while the sum is 47.

The spelling of 920088990001001 in words is "nine hundred twenty trillion, eighty-eight billion, nine hundred ninety million, one thousand, one".