202140420432 has 80 divisors (see below), whose sum is σ = 524362295808. Its totient is φ = 67100929920.

The previous prime is 202140420409. The next prime is 202140420463. The reversal of 202140420432 is 234024041202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 28944013 + ... + 28950995.

Almost surely, 2^202140420432 is an apocalyptic number.

It is an amenable number.

202140420432 is an abundant number, since it is smaller than the sum of its proper divisors (322221875376).

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

202140420432 is a wasteful number, since it uses less digits than its factorization.

202140420432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9408 (or 9402 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 202140420432 its reverse (234024041202), we get a palindrome (436164461634).

The spelling of 202140420432 in words is "two hundred two billion, one hundred forty million, four hundred twenty thousand, four hundred thirty-two".