235402021000 has 64 divisors (see below), whose sum is σ = 559062391680. Its totient is φ = 92755396800.

The previous prime is 235402020923. The next prime is 235402021039. The reversal of 235402021000 is 120204532.

It is a super-2 number, since 2×235402021000² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689732 + ... + 1823731.

It is an arithmetic number, because the mean of its divisors is an integer number (8735349870).

Almost surely, 2^235402021000 is an apocalyptic number.

235402021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235402021000 is an abundant number, since it is smaller than the sum of its proper divisors (323660370680).

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

235402021000 is a wasteful number, since it uses less digits than its factorization.

235402021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513551 (or 3513537 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 235402021000 its reverse (120204532), we get a palindrome (235522225532).

The spelling of 235402021000 in words is "two hundred thirty-five billion, four hundred two million, twenty-one thousand".