511021020034 has 32 divisors (see below), whose sum is σ = 927680103936. Its totient is φ = 206101117440.

The previous prime is 511021020019. The next prime is 511021020043. The reversal of 511021020034 is 430020120115.

It is a super-2 number, since 2×511021020034² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511021019993 and 511021020020.

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, 1902007 + ... + 2153989.

It is an arithmetic number, because the mean of its divisors is an integer number (28990003248).

Almost surely, 2^511021020034 is an apocalyptic number.

511021020034 is a deficient number, since it is larger than the sum of its proper divisors (416659083902).

511021020034 is a wasteful number, since it uses less digits than its factorization.

511021020034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260530.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 511021020034 its reverse (430020120115), we get a palindrome (941041140149).

The spelling of 511021020034 in words is "five hundred eleven billion, twenty-one million, twenty thousand, thirty-four".