20230149836 has 24 divisors (see below), whose sum is σ = 39783708384. Its totient is φ = 8931035520.

The previous prime is 20230149827. The next prime is 20230149839. The reversal of 20230149836 is 63894103202.

It is a self number, because there is not a number n which added to its sum of digits gives 20230149836.

It is not an unprimeable number, because it can be changed into a prime (20230149839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8456225 + ... + 8458616.

It is an arithmetic number, because the mean of its divisors is an integer number (1657654516).

Almost surely, 2^20230149836 is an apocalyptic number.

20230149836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20230149836 is a deficient number, since it is larger than the sum of its proper divisors (19553558548).

20230149836 is a wasteful number, since it uses less digits than its factorization.

20230149836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16914881 (or 16914879 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 20230149836 in words is "twenty billion, two hundred thirty million, one hundred forty-nine thousand, eight hundred thirty-six".