10420026201565 has 32 divisors (see below), whose sum is σ = 12871516572000. Its totient is φ = 8094808043520.

The previous prime is 10420026201499. The next prime is 10420026201623. The reversal of 10420026201565 is 56510262002401.

It can be written as a sum of positive squares in 16 ways, for example, as 10173586435236 + 246439766329 = 3189606^2 + 496427^2 .

It is not a de Polignac number, because 10420026201565 - 2⁷ = 10420026201437 is a prime.

It is a super-2 number, since 2×10420026201565² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10420026201565.

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, 17431761 + ... + 18019609.

It is an arithmetic number, because the mean of its divisors is an integer number (402234892875).

Almost surely, 2^{10420026201565} is an apocalyptic number.

It is an amenable number.

10420026201565 is a deficient number, since it is larger than the sum of its proper divisors (2451490370435).

10420026201565 is an equidigital number, since it uses as much as digits as its factorization.

10420026201565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588657.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 10420026201565 its reverse (56510262002401), we get a palindrome (66930288203966).

The spelling of 10420026201565 in words is "ten trillion, four hundred twenty billion, twenty-six million, two hundred one thousand, five hundred sixty-five".