20033021342 has 4 divisors (see below), whose sum is σ = 30049532016. Its totient is φ = 10016510670.

The previous prime is 20033021299. The next prime is 20033021353. The reversal of 20033021342 is 24312033002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008255334 + ... + 5008255337.

It is an arithmetic number, because the mean of its divisors is an integer number (7512383004).

Almost surely, 2^20033021342 is an apocalyptic number.

20033021342 is a deficient number, since it is larger than the sum of its proper divisors (10016510674).

20033021342 is a wasteful number, since it uses less digits than its factorization.

20033021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016510673.

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

Adding to 20033021342 its reverse (24312033002), we get a palindrome (44345054344).

The spelling of 20033021342 in words is "twenty billion, thirty-three million, twenty-one thousand, three hundred forty-two".