122003020 has 24 divisors (see below), whose sum is σ = 257541984. Its totient is φ = 48546816.

The previous prime is 122002987. The next prime is 122003027. The reversal of 122003020 is 20300221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 122002988 and 122003006.

It is not an unprimeable number, because it can be changed into a prime (122003027) 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, 11944 + ... + 19663.

It is an arithmetic number, because the mean of its divisors is an integer number (10730916).

Almost surely, 2^122003020 is an apocalyptic number.

122003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122003020 is an abundant number, since it is smaller than the sum of its proper divisors (135538964).

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

122003020 is a wasteful number, since it uses less digits than its factorization.

122003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31809 (or 31807 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 122003020 is about 11045.4977253178. The cubic root of 122003020 is about 495.9716587604.

Adding to 122003020 its reverse (20300221), we get a palindrome (142303241).

The spelling of 122003020 in words is "one hundred twenty-two million, three thousand, twenty".