20231020040705 has 16 divisors (see below), whose sum is σ = 24286106097408. Its totient is φ = 16178895288000.

The previous prime is 20231020040687. The next prime is 20231020040761. The reversal of 20231020040705 is 50704002013202.

It is not a de Polignac number, because 20231020040705 - 2³² = 20226725073409 is a prime.

It is a Duffinian 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, 410665775 + ... + 410715035.

It is an arithmetic number, because the mean of its divisors is an integer number (1517881631088).

Almost surely, 2^{20231020040705} is an apocalyptic number.

It is an amenable number.

20231020040705 is a deficient number, since it is larger than the sum of its proper divisors (4055086056703).

20231020040705 is a wasteful number, since it uses less digits than its factorization.

20231020040705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77648.

The product of its (nonzero) digits is 3360, while the sum is 26.

Adding to 20231020040705 its reverse (50704002013202), we get a palindrome (70935022053907).

The spelling of 20231020040705 in words is "twenty trillion, two hundred thirty-one billion, twenty million, forty thousand, seven hundred five".