466515220021 has 8 divisors (see below), whose sum is σ = 467794560384. Its totient is φ = 465237218880.

The previous prime is 466515220007. The next prime is 466515220049. The reversal of 466515220021 is 120022515664.

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

It is a cyclic number.

It is not a de Polignac number, because 466515220021 - 2⁷ = 466515219893 is a prime.

It is a super-2 number, since 2×466515220021² (a number of 24 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 (466515220081) 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, 364845 + ... + 1032541.

It is an arithmetic number, because the mean of its divisors is an integer number (58474320048).

Almost surely, 2^466515220021 is an apocalyptic number.

It is an amenable number.

466515220021 is a deficient number, since it is larger than the sum of its proper divisors (1279340363).

466515220021 is a wasteful number, since it uses less digits than its factorization.

466515220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669611.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 466515220021 its reverse (120022515664), we get a palindrome (586537735685).

The spelling of 466515220021 in words is "four hundred sixty-six billion, five hundred fifteen million, two hundred twenty thousand, twenty-one".