1220021023302 has 40 divisors (see below), whose sum is σ = 2750522348376. Its totient is φ = 404178735168.

The previous prime is 1220021023283. The next prime is 1220021023321. The reversal of 1220021023302 is 2033201200221.

1220021023302 is a `hidden beast` number, since 1 + 220 + 0 + 210 + 233 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1220021023283) and next prime (1220021023321).

It is a super-3 number, since 3×1220021023302³ (a number of 37 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23074803 + ... + 23127614.

Almost surely, 2^{1220021023302} is an apocalyptic number.

1220021023302 is an abundant number, since it is smaller than the sum of its proper divisors (1530501325074).

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

1220021023302 is a wasteful number, since it uses less digits than its factorization.

1220021023302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46202594 (or 46202585 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1220021023302 its reverse (2033201200221), we get a palindrome (3253222223523).

The spelling of 1220021023302 in words is "one trillion, two hundred twenty billion, twenty-one million, twenty-three thousand, three hundred two".