10520220411 has 8 divisors (see below), whose sum is σ = 15585511760. Its totient is φ = 7013480256.

The previous prime is 10520220407. The next prime is 10520220437. The reversal of 10520220411 is 11402202501.

10520220411 is a `hidden beast` number, since 10 + 5 + 20 + 220 + 411 = 666.

It is not a de Polignac number, because 10520220411 - 2² = 10520220407 is a prime.

It is a super-2 number, since 2×10520220411² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10520220461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194818870 + ... + 194818923.

It is an arithmetic number, because the mean of its divisors is an integer number (1948188970).

Almost surely, 2^10520220411 is an apocalyptic number.

10520220411 is a deficient number, since it is larger than the sum of its proper divisors (5065291349).

10520220411 is an equidigital number, since it uses as much as digits as its factorization.

10520220411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389637802 (or 389637796 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 10520220411 its reverse (11402202501), we get a palindrome (21922422912).

The spelling of 10520220411 in words is "ten billion, five hundred twenty million, two hundred twenty thousand, four hundred eleven".