20021020323230 has 16 divisors (see below), whose sum is σ = 36059506988544. Its totient is φ = 8003592483360.

The previous prime is 20021020323223. The next prime is 20021020323257. The reversal of 20021020323230 is 3232302012002.

It is a congruent number.

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, 601938281 + ... + 601971540.

It is an arithmetic number, because the mean of its divisors is an integer number (2253719186784).

Almost surely, 2^{20021020323230} is an apocalyptic number.

20021020323230 is a deficient number, since it is larger than the sum of its proper divisors (16038486665314).

20021020323230 is a wasteful number, since it uses less digits than its factorization.

20021020323230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203911491.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20021020323230 its reverse (3232302012002), we get a palindrome (23253322335232).

The spelling of 20021020323230 in words is "twenty trillion, twenty-one billion, twenty million, three hundred twenty-three thousand, two hundred thirty".