10202142404402 has 16 divisors (see below), whose sum is σ = 16482222973440. Its totient is φ = 4708155655632.

The previous prime is 10202142404381. The next prime is 10202142404407. The reversal of 10202142404402 is 20440424120201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (10202142404407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21656402 + ... + 22122477.

It is an arithmetic number, because the mean of its divisors is an integer number (1030138935840).

Almost surely, 2^{10202142404402} is an apocalyptic number.

10202142404402 is a deficient number, since it is larger than the sum of its proper divisors (6280080569038).

10202142404402 is a wasteful number, since it uses less digits than its factorization.

10202142404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43787857.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 10202142404402 its reverse (20440424120201), we get a palindrome (30642566524603).

The spelling of 10202142404402 in words is "ten trillion, two hundred two billion, one hundred forty-two million, four hundred four thousand, four hundred two".