10420120544546 has 4 divisors (see below), whose sum is σ = 15630180816822. Its totient is φ = 5210060272272.

The previous prime is 10420120544489. The next prime is 10420120544621. The reversal of 10420120544546 is 64544502102401.

10420120544546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10420016280025 + 104264521 = 3228005^2 + 10211^2 .

It is a super-2 number, since 2×10420120544546² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605030136135 + ... + 2605030136138.

Almost surely, 2^{10420120544546} is an apocalyptic number.

10420120544546 is a deficient number, since it is larger than the sum of its proper divisors (5210060272276).

10420120544546 is an equidigital number, since it uses as much as digits as its factorization.

10420120544546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210060272275.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 10420120544546 its reverse (64544502102401), we get a palindrome (74964622646947).

The spelling of 10420120544546 in words is "ten trillion, four hundred twenty billion, one hundred twenty million, five hundred forty-four thousand, five hundred forty-six".