20266533511230 has 16 divisors (see below), whose sum is σ = 48639680427024. Its totient is φ = 5404408936320.

The previous prime is 20266533511181. The next prime is 20266533511249. The reversal of 20266533511230 is 3211533566202.

It is a super-2 number, since 2×20266533511230² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337775558491 + ... + 337775558550.

It is an arithmetic number, because the mean of its divisors is an integer number (3039980026689).

Almost surely, 2^{20266533511230} is an apocalyptic number.

20266533511230 is an abundant number, since it is smaller than the sum of its proper divisors (28373146915794).

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

20266533511230 is a wasteful number, since it uses less digits than its factorization.

20266533511230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675551117051.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 20266533511230 in words is "twenty trillion, two hundred sixty-six billion, five hundred thirty-three million, five hundred eleven thousand, two hundred thirty".