20750130465 has 8 divisors (see below), whose sum is σ = 33200208768. Its totient is φ = 11066736240.

The previous prime is 20750130461. The next prime is 20750130473. The reversal of 20750130465 is 56403105702.

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

It is not a de Polignac number, because 20750130465 - 2² = 20750130461 is a prime.

It is a super-2 number, since 2×20750130465² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20750130461) 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, 691671001 + ... + 691671030.

It is an arithmetic number, because the mean of its divisors is an integer number (4150026096).

Almost surely, 2^20750130465 is an apocalyptic number.

It is an amenable number.

20750130465 is a deficient number, since it is larger than the sum of its proper divisors (12450078303).

20750130465 is a wasteful number, since it uses less digits than its factorization.

20750130465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383342039.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 20750130465 in words is "twenty billion, seven hundred fifty million, one hundred thirty thousand, four hundred sixty-five".