10520146634 has 4 divisors (see below), whose sum is σ = 15780219954. Its totient is φ = 5260073316.

The previous prime is 10520146631. The next prime is 10520146643. The reversal of 10520146634 is 43664102501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43664102501 = 373 ⋅117061937.

It can be written as a sum of positive squares in only one way, i.e., 7630546609 + 2889600025 = 87353^2 + 53755^2 .

It is a super-2 number, since 2×10520146634² (a number of 21 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 10520146634.

It is not an unprimeable number, because it can be changed into a prime (10520146631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630036657 + ... + 2630036660.

Almost surely, 2^10520146634 is an apocalyptic number.

10520146634 is a deficient number, since it is larger than the sum of its proper divisors (5260073320).

10520146634 is an equidigital number, since it uses as much as digits as its factorization.

10520146634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260073319.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 10520146634 in words is "ten billion, five hundred twenty million, one hundred forty-six thousand, six hundred thirty-four".