20410552400407 has 16 divisors (see below), whose sum is σ = 22095154724608. Its totient is φ = 18742438160640.

The previous prime is 20410552400387. The next prime is 20410552400449. The reversal of 20410552400407 is 70400425501402.

It is a cyclic number.

It is not a de Polignac number, because 20410552400407 - 2³¹ = 20408404916759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410552409407) 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, 1454443 + ... + 6552595.

It is an arithmetic number, because the mean of its divisors is an integer number (1380947170288).

Almost surely, 2^{20410552400407} is an apocalyptic number.

20410552400407 is a deficient number, since it is larger than the sum of its proper divisors (1684602324201).

20410552400407 is a wasteful number, since it uses less digits than its factorization.

20410552400407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099770.

The product of its (nonzero) digits is 44800, while the sum is 34.

Adding to 20410552400407 its reverse (70400425501402), we get a palindrome (90810977901809).

The spelling of 20410552400407 in words is "twenty trillion, four hundred ten billion, five hundred fifty-two million, four hundred thousand, four hundred seven".