2000021404 has 24 divisors (see below), whose sum is σ = 3524387328. Its totient is φ = 993077760.

The previous prime is 2000021393. The next prime is 2000021437. The reversal of 2000021404 is 4041200002.

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, 366504 + ... + 371920.

It is an arithmetic number, because the mean of its divisors is an integer number (146849472).

Almost surely, 2^2000021404 is an apocalyptic number.

It is an amenable number.

2000021404 is a deficient number, since it is larger than the sum of its proper divisors (1524365924).

2000021404 is a wasteful number, since it uses less digits than its factorization.

2000021404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045 (or 6043 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2000021404 is about 44721.5988533505. The cubic root of 2000021404 is about 1259.9255444372.

Adding to 2000021404 its reverse (4041200002), we get a palindrome (6041221406).

The spelling of 2000021404 in words is "two billion, twenty-one thousand, four hundred four".