20202201342 has 24 divisors (see below), whose sum is σ = 44086344120. Its totient is φ = 6685619760.

The previous prime is 20202201281. The next prime is 20202201389. The reversal of 20202201342 is 24310220202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4034709 + ... + 4039712.

It is an arithmetic number, because the mean of its divisors is an integer number (1836931005).

Almost surely, 2^20202201342 is an apocalyptic number.

20202201342 is an abundant number, since it is smaller than the sum of its proper divisors (23884142778).

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

20202201342 is a wasteful number, since it uses less digits than its factorization.

20202201342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074568 (or 8074565 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20202201342 its reverse (24310220202), we get a palindrome (44512421544).

The spelling of 20202201342 in words is "twenty billion, two hundred two million, two hundred one thousand, three hundred forty-two".