1210023020 has 24 divisors (see below), whose sum is σ = 2541705264. Its totient is φ = 483884096.

The previous prime is 1210022993. The next prime is 1210023041. The reversal of 1210023020 is 203200121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210022992 and 1210023010.

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, 135947 + ... + 144573.

It is an arithmetic number, because the mean of its divisors is an integer number (105904386).

Almost surely, 2^1210023020 is an apocalyptic number.

1210023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210023020 is an abundant number, since it is smaller than the sum of its proper divisors (1331682244).

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

1210023020 is a wasteful number, since it uses less digits than its factorization.

1210023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15649 (or 15647 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1210023020 is about 34785.3851495136. The cubic root of 1210023020 is about 1065.6089943446.

Adding to 1210023020 its reverse (203200121), we get a palindrome (1413223141).

The spelling of 1210023020 in words is "one billion, two hundred ten million, twenty-three thousand, twenty".