20366413401 has 16 divisors (see below), whose sum is σ = 27314763840. Its totient is φ = 13497888960.

The previous prime is 20366413399. The next prime is 20366413421. The reversal of 20366413401 is 10431466302.

It is not a de Polignac number, because 20366413401 - 2¹ = 20366413399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20366413421) 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, 2304970 + ... + 2313788.

It is an arithmetic number, because the mean of its divisors is an integer number (1707172740).

Almost surely, 2^20366413401 is an apocalyptic number.

It is an amenable number.

20366413401 is a deficient number, since it is larger than the sum of its proper divisors (6948350439).

20366413401 is a wasteful number, since it uses less digits than its factorization.

20366413401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13256.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 20366413401 its reverse (10431466302), we get a palindrome (30797879703).

The spelling of 20366413401 in words is "twenty billion, three hundred sixty-six million, four hundred thirteen thousand, four hundred one".