20434021310 has 32 divisors (see below), whose sum is σ = 37035804960. Its totient is φ = 8117235072.

The previous prime is 20434021277. The next prime is 20434021351. The reversal of 20434021310 is 1312043402.

It is a super-2 number, since 2×20434021310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838376 + ... + 862404.

It is an arithmetic number, because the mean of its divisors is an integer number (1157368905).

Almost surely, 2^20434021310 is an apocalyptic number.

20434021310 is a deficient number, since it is larger than the sum of its proper divisors (16601783650).

20434021310 is a wasteful number, since it uses less digits than its factorization.

20434021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24620.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20434021310 its reverse (1312043402), we get a palindrome (21746064712).

The spelling of 20434021310 in words is "twenty billion, four hundred thirty-four million, twenty-one thousand, three hundred ten".