511020001420 has 48 divisors (see below), whose sum is σ = 1080416949696. Its totient is φ = 203022720000.

The previous prime is 511020001409. The next prime is 511020001423. The reversal of 511020001420 is 24100020115.

It is a super-2 number, since 2×511020001420² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511020001394 and 511020001403.

It is not an unprimeable number, because it can be changed into a prime (511020001423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33698640 + ... + 33713800.

It is an arithmetic number, because the mean of its divisors is an integer number (22508686452).

Almost surely, 2^511020001420 is an apocalyptic number.

It is an amenable number.

511020001420 is an abundant number, since it is smaller than the sum of its proper divisors (569396948276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511020001420 is a wasteful number, since it uses less digits than its factorization.

511020001420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26482 (or 26480 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 511020001420 its reverse (24100020115), we get a palindrome (535120021535).

The spelling of 511020001420 in words is "five hundred eleven billion, twenty million, one thousand, four hundred twenty".