122250020 has 12 divisors (see below), whose sum is σ = 256725084. Its totient is φ = 48900000.

The previous prime is 122250013. The next prime is 122250031. The reversal of 122250020 is 20052221.

It can be written as a sum of positive squares in 2 ways, for example, as 42719296 + 79530724 = 6536^2 + 8918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122249977 and 122250004.

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, 3056231 + ... + 3056270.

It is an arithmetic number, because the mean of its divisors is an integer number (21393757).

Almost surely, 2^122250020 is an apocalyptic number.

122250020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122250020 is an abundant number, since it is smaller than the sum of its proper divisors (134475064).

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

122250020 is a wasteful number, since it uses less digits than its factorization.

122250020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112510 (or 6112508 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 122250020 is about 11056.6730981792. The cubic root of 122250020 is about 496.3061379684.

The spelling of 122250020 in words is "one hundred twenty-two million, two hundred fifty thousand, twenty".