30122020010 has 16 divisors (see below), whose sum is σ = 57409026696. Its totient is φ = 11340054528.

The previous prime is 30122020009. The next prime is 30122020031. The reversal of 30122020010 is 1002022103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25059839809 + 5062180201 = 158303^2 + 71149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30122019973 and 30122020000.

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, 88594007 + ... + 88594346.

Almost surely, 2^30122020010 is an apocalyptic number.

30122020010 is a deficient number, since it is larger than the sum of its proper divisors (27287006686).

30122020010 is a wasteful number, since it uses less digits than its factorization.

30122020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177188377.

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

Adding to 30122020010 its reverse (1002022103), we get a palindrome (31124042113).

The spelling of 30122020010 in words is "thirty billion, one hundred twenty-two million, twenty thousand, ten".