1020113622 has 32 divisors (see below), whose sum is σ = 2473004160. Its totient is φ = 309125160.

The previous prime is 1020113603. The next prime is 1020113663. The reversal of 1020113622 is 2263110201.

1020113622 is a `hidden beast` number, since 10 + 20 + 1 + 13 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1020113595 and 1020113604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858088 + ... + 859275.

It is an arithmetic number, because the mean of its divisors is an integer number (77281380).

Almost surely, 2^1020113622 is an apocalyptic number.

1020113622 is an abundant number, since it is smaller than the sum of its proper divisors (1452890538).

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

1020113622 is a wasteful number, since it uses less digits than its factorization.

1020113622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717385 (or 1717379 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1020113622 is about 31939.2176172179. The cubic root of 1020113622 is about 1006.6600854552.

Adding to 1020113622 its reverse (2263110201), we get a palindrome (3283223823).

The spelling of 1020113622 in words is "one billion, twenty million, one hundred thirteen thousand, six hundred twenty-two".