4202021000 has 64 divisors (see below), whose sum is σ = 10350288000. Its totient is φ = 1592337600.

The previous prime is 4202020987. The next prime is 4202021003. The reversal of 4202021000 is 1202024.

4202021000 = 8558² + 8559² + ... + 8614².

It is not an unprimeable number, because it can be changed into a prime (4202021003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91580 + ... + 129579.

It is an arithmetic number, because the mean of its divisors is an integer number (161723250).

Almost surely, 2^4202021000 is an apocalyptic number.

4202021000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4202021000 is an abundant number, since it is smaller than the sum of its proper divisors (6148267000).

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

4202021000 is a wasteful number, since it uses less digits than its factorization.

4202021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221199 (or 221185 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4202021000 is about 64822.9974623204. The cubic root of 4202021000 is about 1613.6873933596.

Adding to 4202021000 its reverse (1202024), we get a palindrome (4203223024).

The spelling of 4202021000 in words is "four billion, two hundred two million, twenty-one thousand".