20005125292919 has 8 divisors (see below), whose sum is σ = 21544400289552. Its totient is φ = 18465910182720.

The previous prime is 20005125292877. The next prime is 20005125292961. The reversal of 20005125292919 is 91929252150002.

It is an interprime number because it is at equal distance from previous prime (20005125292877) and next prime (20005125292961).

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

It is not a de Polignac number, because 20005125292919 - 2¹² = 20005125288823 is a prime.

It is a super-2 number, since 2×20005125292919² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005125292979) 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, 14276609 + ... + 15615114.

It is an arithmetic number, because the mean of its divisors is an integer number (2693050036194).

Almost surely, 2^{20005125292919} is an apocalyptic number.

20005125292919 is a deficient number, since it is larger than the sum of its proper divisors (1539274996633).

20005125292919 is a wasteful number, since it uses less digits than its factorization.

20005125292919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29943217.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 20005125292919 in words is "twenty trillion, five billion, one hundred twenty-five million, two hundred ninety-two thousand, nine hundred nineteen".