20202073400 has 24 divisors (see below), whose sum is σ = 46969821120. Its totient is φ = 8080829280.

The previous prime is 20202073393. The next prime is 20202073457. The reversal of 20202073400 is 437020202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50504984 + ... + 50505383.

It is an arithmetic number, because the mean of its divisors is an integer number (1957075880).

Almost surely, 2^20202073400 is an apocalyptic number.

20202073400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202073400 is an abundant number, since it is smaller than the sum of its proper divisors (26767747720).

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

20202073400 is a wasteful number, since it uses less digits than its factorization.

20202073400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010383 (or 101010374 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

Adding to 20202073400 its reverse (437020202), we get a palindrome (20639093602).

The spelling of 20202073400 in words is "twenty billion, two hundred two million, seventy-three thousand, four hundred".