10402020253205 has 32 divisors (see below), whose sum is σ = 14339431814400. Its totient is φ = 7095918896640.

The previous prime is 10402020253193. The next prime is 10402020253213. The reversal of 10402020253205 is 50235202020401.

It is not a de Polignac number, because 10402020253205 - 2⁴ = 10402020253189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76956521 + ... + 77091569.

It is an arithmetic number, because the mean of its divisors is an integer number (448107244200).

Almost surely, 2^{10402020253205} is an apocalyptic number.

It is an amenable number.

10402020253205 is a deficient number, since it is larger than the sum of its proper divisors (3937411561195).

10402020253205 is a wasteful number, since it uses less digits than its factorization.

10402020253205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146429.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 10402020253205 its reverse (50235202020401), we get a palindrome (60637222273606).

The spelling of 10402020253205 in words is "ten trillion, four hundred two billion, twenty million, two hundred fifty-three thousand, two hundred five".