20222590329 has 60 divisors (see below), whose sum is σ = 33198273900. Its totient is φ = 12250732032.

The previous prime is 20222590307. The next prime is 20222590331. The reversal of 20222590329 is 92309522202.

20222590329 is a `hidden beast` number, since 20 + 2 + 22 + 590 + 3 + 29 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1750329 + 20220840000 = 1323^2 + 142200^2 .

It is not a de Polignac number, because 20222590329 - 2¹³ = 20222582137 is a prime.

It is a super-2 number, since 2×20222590329² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20222590293 and 20222590302.

It is not an unprimeable number, because it can be changed into a prime (20222590229) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 663967 + ... + 693755.

It is an arithmetic number, because the mean of its divisors is an integer number (553304565).

Almost surely, 2^20222590329 is an apocalyptic number.

20222590329 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20222590329 is a deficient number, since it is larger than the sum of its proper divisors (12975683571).

20222590329 is a wasteful number, since it uses less digits than its factorization.

20222590329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29864 (or 29838 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 20222590329 in words is "twenty billion, two hundred twenty-two million, five hundred ninety thousand, three hundred twenty-nine".