102020431432222 has 4 divisors (see below), whose sum is σ = 153030647148336. Its totient is φ = 51010215716110.

The previous prime is 102020431432187. The next prime is 102020431432223. The reversal of 102020431432222 is 222234134020201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020431432223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505107858054 + ... + 25505107858057.

It is an arithmetic number, because the mean of its divisors is an integer number (38257661787084).

Almost surely, 2^{102020431432222} is an apocalyptic number.

102020431432222 is a deficient number, since it is larger than the sum of its proper divisors (51010215716114).

102020431432222 is an equidigital number, since it uses as much as digits as its factorization.

102020431432222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010215716113.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 102020431432222 its reverse (222234134020201), we get a palindrome (324254565452423).

The spelling of 102020431432222 in words is "one hundred two trillion, twenty billion, four hundred thirty-one million, four hundred thirty-two thousand, two hundred twenty-two".