20201231030 has 8 divisors (see below), whose sum is σ = 36362215872. Its totient is φ = 8080492408.

The previous prime is 20201231009. The next prime is 20201231093. The reversal of 20201231030 is 3013210202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20201230996 and 20201231014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010061542 + ... + 1010061561.

It is an arithmetic number, because the mean of its divisors is an integer number (4545276984).

Almost surely, 2^20201231030 is an apocalyptic number.

20201231030 is a deficient number, since it is larger than the sum of its proper divisors (16160984842).

20201231030 is a wasteful number, since it uses less digits than its factorization.

20201231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020123110.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20201231030 its reverse (3013210202), we get a palindrome (23214441232).

The spelling of 20201231030 in words is "twenty billion, two hundred one million, two hundred thirty-one thousand, thirty".