220421053010 has 16 divisors (see below), whose sum is σ = 396784215576. Its totient is φ = 88162572288.

The previous prime is 220421052911. The next prime is 220421053051. The reversal of 220421053010 is 10350124022.

It can be written as a sum of positive squares in 4 ways, for example, as 182176166041 + 38244886969 = 426821^2 + 195563^2 .

It is a super-2 number, since 2×220421053010² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571169 + ... + 875828.

Almost surely, 2^220421053010 is an apocalyptic number.

220421053010 is a deficient number, since it is larger than the sum of its proper divisors (176363162566).

220421053010 is a wasteful number, since it uses less digits than its factorization.

220421053010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462237.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 220421053010 its reverse (10350124022), we get a palindrome (230771177032).

The spelling of 220421053010 in words is "two hundred twenty billion, four hundred twenty-one million, fifty-three thousand, ten".