20235734810 has 16 divisors (see below), whose sum is σ = 36784961352. Its totient is φ = 8014152000.

The previous prime is 20235734737. The next prime is 20235734833. The reversal of 20235734810 is 1843753202.

It can be written as a sum of positive squares in 4 ways, for example, as 19921346449 + 314388361 = 141143^2 + 17731^2 .

It is a super-2 number, since 2×20235734810² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10016681 + ... + 10018700.

Almost surely, 2^20235734810 is an apocalyptic number.

20235734810 is a deficient number, since it is larger than the sum of its proper divisors (16549226542).

20235734810 is a wasteful number, since it uses less digits than its factorization.

20235734810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035489.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 20235734810 in words is "twenty billion, two hundred thirty-five million, seven hundred thirty-four thousand, eight hundred ten".