511200102620 has 48 divisors (see below), whose sum is σ = 1081673157600. Its totient is φ = 202928271360.

The previous prime is 511200102617. The next prime is 511200102703. The reversal of 511200102620 is 26201002115.

It is a super-2 number, since 2×511200102620² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 511200102592 and 511200102601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7217780 + ... + 7288260.

It is an arithmetic number, because the mean of its divisors is an integer number (22534857450).

Almost surely, 2^511200102620 is an apocalyptic number.

It is an amenable number.

511200102620 is an abundant number, since it is smaller than the sum of its proper divisors (570473054980).

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

511200102620 is a wasteful number, since it uses less digits than its factorization.

511200102620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73238 (or 73236 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 511200102620 its reverse (26201002115), we get a palindrome (537401104735).

The spelling of 511200102620 in words is "five hundred eleven billion, two hundred million, one hundred two thousand, six hundred twenty".