220038431810 has 8 divisors (see below), whose sum is σ = 396069177276. Its totient is φ = 88015372720.

The previous prime is 220038431803. The next prime is 220038431831. The reversal of 220038431810 is 18134830022.

It can be written as a sum of positive squares in 2 ways, for example, as 216408248809 + 3630183001 = 465197^2 + 60251^2 .

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

It is a super-2 number, since 2×220038431810² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11001921581 + ... + 11001921600.

Almost surely, 2^220038431810 is an apocalyptic number.

220038431810 is a deficient number, since it is larger than the sum of its proper divisors (176030745466).

220038431810 is a wasteful number, since it uses less digits than its factorization.

220038431810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22003843188.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 220038431810 in words is "two hundred twenty billion, thirty-eight million, four hundred thirty-one thousand, eight hundred ten".