420102510326 has 16 divisors (see below), whose sum is σ = 633448658880. Its totient is φ = 208955136000.

The previous prime is 420102510313. The next prime is 420102510361. The reversal of 420102510326 is 623015201024.

It is a happy number.

It is a super-2 number, since 2×420102510326² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420102510295 and 420102510304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158141 + ... + 930168.

It is an arithmetic number, because the mean of its divisors is an integer number (39590541180).

Almost surely, 2^420102510326 is an apocalyptic number.

420102510326 is a deficient number, since it is larger than the sum of its proper divisors (213346148554).

420102510326 is a wasteful number, since it uses less digits than its factorization.

420102510326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089319.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 420102510326 in words is "four hundred twenty billion, one hundred two million, five hundred ten thousand, three hundred twenty-six".