20576470001 has 4 divisors (see below), whose sum is σ = 20578521600. Its totient is φ = 20574418404.

The previous prime is 20576469997. The next prime is 20576470003. The reversal of 20576470001 is 10007467502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10007467502 = 2 ⋅5003733751.

It is a cyclic number.

It is not a de Polignac number, because 20576470001 - 2² = 20576469997 is a prime.

It is a super-2 number, since 2×20576470001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20576470001.

It is not an unprimeable number, because it can be changed into a prime (20576470003) 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, 1010681 + ... + 1030838.

It is an arithmetic number, because the mean of its divisors is an integer number (5144630400).

Almost surely, 2^20576470001 is an apocalyptic number.

It is an amenable number.

20576470001 is a deficient number, since it is larger than the sum of its proper divisors (2051599).

20576470001 is a wasteful number, since it uses less digits than its factorization.

20576470001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051598.

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 20576470001 in words is "twenty billion, five hundred seventy-six million, four hundred seventy thousand, one".