20292919001 has 4 divisors (see below), whose sum is σ = 20293230900. Its totient is φ = 20292607104.

The previous prime is 20292918941. The next prime is 20292919019. The reversal of 20292919001 is 10091929202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10091929202 = 2 ⋅5045964601.

It can be written as a sum of positive squares in 2 ways, for example, as 14071653376 + 6221265625 = 118624^2 + 78875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20292919001 is a prime.

It is a super-2 number, since 2×20292919001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20292919081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17216 + ... + 202193.

It is an arithmetic number, because the mean of its divisors is an integer number (5073307725).

Almost surely, 2^20292919001 is an apocalyptic number.

It is an amenable number.

20292919001 is a deficient number, since it is larger than the sum of its proper divisors (311899).

20292919001 is an equidigital number, since it uses as much as digits as its factorization.

20292919001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311898.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 20292919001 in words is "twenty billion, two hundred ninety-two million, nine hundred nineteen thousand, one".