1402020121432 has 32 divisors (see below), whose sum is σ = 3134951827200. Its totient is φ = 574741167264.

The previous prime is 1402020121427. The next prime is 1402020121451. The reversal of 1402020121432 is 2341210202041.

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, 544261182 + ... + 544263757.

It is an arithmetic number, because the mean of its divisors is an integer number (97967244600).

Almost surely, 2^{1402020121432} is an apocalyptic number.

It is an amenable number.

1402020121432 is an abundant number, since it is smaller than the sum of its proper divisors (1732931705768).

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

1402020121432 is a wasteful number, since it uses less digits than its factorization.

1402020121432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088524975 (or 1088524971 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1402020121432 its reverse (2341210202041), we get a palindrome (3743230323473).

The spelling of 1402020121432 in words is "one trillion, four hundred two billion, twenty million, one hundred twenty-one thousand, four hundred thirty-two".