21402004133032 has 64 divisors (see below), whose sum is σ = 41591794345920. Its totient is φ = 10316231912448.

The previous prime is 21402004133011. The next prime is 21402004133053. The reversal of 21402004133032 is 23033140020412.

It is an interprime number because it is at equal distance from previous prime (21402004133011) and next prime (21402004133053).

It is a junction number, because it is equal to n+sod(n) for n = 21402004132988 and 21402004133006.

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, 102480703 + ... + 102689329.

It is an arithmetic number, because the mean of its divisors is an integer number (649871786655).

Almost surely, 2^{21402004133032} is an apocalyptic number.

It is an amenable number.

21402004133032 is a deficient number, since it is larger than the sum of its proper divisors (20189790212888).

21402004133032 is a wasteful number, since it uses less digits than its factorization.

21402004133032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211850 (or 211846 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21402004133032 its reverse (23033140020412), we get a palindrome (44435144153444).

The spelling of 21402004133032 in words is "twenty-one trillion, four hundred two billion, four million, one hundred thirty-three thousand, thirty-two".