520022220025 has 48 divisors (see below), whose sum is σ = 804117961728. Its totient is φ = 324098280000.

The previous prime is 520022219989. The next prime is 520022220041.

520022220025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520022220025 - 2¹¹ = 520022217977 is a prime.

It is a super-2 number, since 2×520022220025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520022219978 and 520022220005.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9503394 + ... + 9557956.

It is an arithmetic number, because the mean of its divisors is an integer number (16752457536).

Almost surely, 2^520022220025 is an apocalyptic number.

520022220025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520022220025 is a deficient number, since it is larger than the sum of its proper divisors (284095741703).

520022220025 is a wasteful number, since it uses less digits than its factorization.

520022220025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59542 (or 59537 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

It can be divided in two parts, 520022 and 220025, that added together give a palindrome (740047).

The spelling of 520022220025 in words is "five hundred twenty billion, twenty-two million, two hundred twenty thousand, twenty-five".