203020230021110 has 32 divisors (see below), whose sum is σ = 386935137352512. Its totient is φ = 76430658769920.

The previous prime is 203020230021109. The next prime is 203020230021113. The reversal of 203020230021110 is 11120032020302.

It is a super-2 number, since 2×203020230021110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020230021113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23553239 + ... + 30996701.

It is an arithmetic number, because the mean of its divisors is an integer number (12091723042266).

Almost surely, 2^{203020230021110} is an apocalyptic number.

203020230021110 is a deficient number, since it is larger than the sum of its proper divisors (183914907331402).

203020230021110 is a wasteful number, since it uses less digits than its factorization.

203020230021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603928.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203020230021110 its reverse (11120032020302), we get a palindrome (214140262041412).

The spelling of 203020230021110 in words is "two hundred three trillion, twenty billion, two hundred thirty million, twenty-one thousand, one hundred ten".