1020154235446 has 16 divisors (see below), whose sum is σ = 1540265112144. Its totient is φ = 506733742944.

The previous prime is 1020154235437. The next prime is 1020154235447. The reversal of 1020154235446 is 6445324510201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020154235447) 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, 1399581 + ... + 1999783.

It is an arithmetic number, because the mean of its divisors is an integer number (96266569509).

Almost surely, 2^{1020154235446} is an apocalyptic number.

1020154235446 is a deficient number, since it is larger than the sum of its proper divisors (520110876698).

1020154235446 is a wasteful number, since it uses less digits than its factorization.

1020154235446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605775.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 1020154235446 its reverse (6445324510201), we get a palindrome (7465478745647).

The spelling of 1020154235446 in words is "one trillion, twenty billion, one hundred fifty-four million, two hundred thirty-five thousand, four hundred forty-six".