20311210220332 has 24 divisors (see below), whose sum is σ = 37592711387840. Its totient is φ = 9575501942160.

The previous prime is 20311210220263. The next prime is 20311210220449. The reversal of 20311210220332 is 23302201211302.

It is a super-2 number, since 2×20311210220332² (a number of 27 digits) contains 22 as substring.

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, 633284358 + ... + 633316429.

Almost surely, 2^{20311210220332} is an apocalyptic number.

It is an amenable number.

20311210220332 is a deficient number, since it is larger than the sum of its proper divisors (17281501167508).

20311210220332 is a wasteful number, since it uses less digits than its factorization.

20311210220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266601021 (or 1266601019 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20311210220332 its reverse (23302201211302), we get a palindrome (43613411431634).

The spelling of 20311210220332 in words is "twenty trillion, three hundred eleven billion, two hundred ten million, two hundred twenty thousand, three hundred thirty-two".